corpus.blog
54,302 blogs · [ { "id": "01a087b1-5839-7159-964f-3afd1fca8b8f", "title": "The big one", "url": "https://noncommutativeanalysis.wordpress.com/2026/09/09/the-big-one/", "published_at": "2026-09-09T05:51:50+00:00" }, { "id": "01a087b1-5839-7159-964f-3afd1fe4dace", "title": "What’s not new", "url": "https://noncommutativeanalysis.wordpress.com/2026/08/21/whats-not-new/", "published_at": "2026-08-21T14:28:38+00:00" }, { "id": "01a087b1-5839-7159-964f-3afd20bd6cb3", "title": "Souvenirs from Timisoara: an invariant subspace theorem and a solution of an open problem of McCarthy and Shalit", "url": "https://noncommutativeanalysis.wordpress.com/2026/07/18/souvenirs-from-timisoara-an-invariant-subspace-theorem-and-a-solution-of-an-open-problem-of-mccarthy-and-shalit/", "published_at": "2026-07-18T12:19:08+00:00" }, { "id": "01a087b1-5839-7159-964f-3afd20c06b01", "title": "Marcel Scherer resolves the Smith-Ward problem!", "url": "https://noncommutativeanalysis.wordpress.com/2026/07/08/marcel-scherer-resolves-the-smith-ward-problem/", "published_at": "2026-07-08T06:27:13+00:00" }, { "id": "01a087b1-5839-7159-964f-3afd2144298b", "title": "Breakthrough bounds on the universal dilation constant by Ian Thompson", "url": "https://noncommutativeanalysis.wordpress.com/2026/06/15/breakthrough-bounds-on-the-universal-dilation-constant-by-ian-thompson/", "published_at": "2026-06-15T10:49:01+00:00" }, { "id": "01a087b1-5839-7159-964f-3afd21c9c785", "title": "On the spectral radius of operator tuples (new paper)", "url": "https://noncommutativeanalysis.wordpress.com/2026/05/12/on-the-spectral-radius-of-operator-tuples-new-paper/", "published_at": "2026-05-12T12:03:37+00:00" }, { "id": "01a087b1-5839-7159-964f-3afd2292c293", "title": "The publishing monster: it’s our own fault", "url": "https://noncommutativeanalysis.wordpress.com/2026/05/04/the-publishing-monster-it-is-us/", "published_at": "2026-05-04T14:28:57+00:00" }, { "id": "01a087b1-5839-7159-964f-3afd22a564c8", "title": "Mini book review: Philosophy of Mathematics (Brown)", "url": "https://noncommutativeanalysis.wordpress.com/2026/04/17/mini-book-report-philosophy-of-mathematics-brown/", "published_at": "2026-04-17T14:17:37+00:00" }, { "id": "01a087b1-5839-7159-964f-3afd22cdfd0e", "title": "Reading log: Philosophy of Mathematics (Brown)", "url": "https://noncommutativeanalysis.wordpress.com/2026/03/28/reading-log-philosophy-of-mathematics-brown/", "published_at": "2026-03-28T12:49:23+00:00" }, { "id": "01a087b1-5839-7159-964f-3afd235662dc", "title": "The Unreasonable Flakiness of Assessment in the Mathematical Sciences", "url": "https://noncommutativeanalysis.wordpress.com/2026/02/09/the-unreasonable-flakiness-of-assessment-in-the-mathematical-sciences/", "published_at": "2026-02-09T13:56:38+00:00" }, { "id": "01a0bdc6-8d33-71ef-a613-88ef7f983ffc", "title": "The path to noncommutative function theory: a research story", "url": "https://noncommutativeanalysis.wordpress.com/2026/02/03/the-path-to-noncommutative-function-theory-a-research-story/", "published_at": "2026-02-03T13:45:00+00:00" }, { "id": "01a0bdc6-8d33-71ef-a613-88ef7fe267e3", "title": "Seven antidotes for AI confusion", "url": "https://noncommutativeanalysis.wordpress.com/2026/01/26/seven-antidotes-for-ai-confusion/", "published_at": "2026-01-26T08:12:20+00:00" }, { "id": "01a0bdc6-8d33-71ef-a613-88ef809848b6", "title": "Student projects in complex function theory – The Prime Number Theorem and Riemann’s paper", "url": "https://noncommutativeanalysis.wordpress.com/2025/11/22/student-projects-in-complex-function-theory-the-prime-number-theorem-and-riemanns-paper/", "published_at": "2025-11-22T08:58:45+00:00" }, { "id": "01a0bdc6-8d33-71ef-a613-88ef81580cd5", "title": "“We can obtain less rigorous but more convincing results by other means” (new paper)", "url": "https://noncommutativeanalysis.wordpress.com/2025/10/16/we-can-obtain-less-rigorous-but-more-convincing-results-by-other-means-new-paper/", "published_at": "2025-10-16T06:55:27+00:00" }, { "id": "01a0bdc6-8d33-71ef-a613-88ef81fdc9c0", "title": "Recommended reading: History of Large Language Models", "url": "https://noncommutativeanalysis.wordpress.com/2025/10/12/recommended-reading-history-of-large-language-models/", "published_at": "2025-10-12T09:20:59+00:00" }, { "id": "01a0bdc6-8d33-71ef-a613-88ef82d1f537", "title": "Student projects in complex analysis: The Prime Number Theorem", "url": "https://noncommutativeanalysis.wordpress.com/2025/10/04/student-projects-in-complex-analysis-the-prime-number-theorem/", "published_at": "2025-10-04T12:15:34+00:00" }, { "id": "01a0bdc6-8d33-71ef-a613-88ef834e85a0", "title": "The Analyst’s Gambit: A Second Course in Functional Analysis", "url": "https://noncommutativeanalysis.wordpress.com/2025/10/03/the-analysts-gambit-a-second-course-in-functional-analysis/", "published_at": "2025-10-03T04:37:51+00:00" }, { "id": "01a0bdc6-8d33-71ef-a613-88ef83a9b100", "title": "Who (or what) could have written a better book?", "url": "https://noncommutativeanalysis.wordpress.com/2025/09/19/who-or-what-could-have-written-a-better-book/", "published_at": "2025-09-19T09:52:35+00:00" }, { "id": "01a0bdc6-8d33-71ef-a613-88ef8459fdae", "title": "The Analyst’s Gambit", "url": "https://noncommutativeanalysis.wordpress.com/2025/06/20/the-analysts-gambit/", "published_at": "2025-06-20T12:29:14+00:00" }, { "id": "01a0bdc6-8d33-71ef-a613-88ef848955dc", "title": "Souvenirs from Waterloo", "url": "https://noncommutativeanalysis.wordpress.com/2025/06/08/souvenirs-from-waterloo/", "published_at": "2025-06-08T16:55:43+00:00" }, { "id": "01a0bdd0-0700-71cf-9e04-f427e32317e1", "title": "Souvenirs from Tunnel Mountain", "url": "https://noncommutativeanalysis.wordpress.com/2025/05/14/souvenirs-from-tunnel-mountain/", "published_at": "2025-05-14T11:05:00+00:00" }, { "id": "01a0bdd0-0700-71cf-9e04-f427e329a44a", "title": "The last survey", "url": "https://noncommutativeanalysis.wordpress.com/2025/02/04/the-last-survey/", "published_at": "2025-02-04T10:50:03+00:00" }, { "id": "01a0bdd0-0700-71cf-9e04-f427e3f5b511", "title": "The Stone Weierstrass Theorem – an Introductory Lecture to Functional Analysis", "url": "https://noncommutativeanalysis.wordpress.com/2025/01/04/the-stone-weierstrass-theorem-an-introductory-lecture-to-functional-analysis/", "published_at": "2025-01-04T20:01:39+00:00" }, { "id": "01a0bdd0-0700-71cf-9e04-f427e4347ac3", "title": "When is a tuple of matrices jointly similar to a tuple of strict contractions?", "url": "https://noncommutativeanalysis.wordpress.com/2025/01/03/when-is-a-tuple-of-matrices-jointly-similar-to-a-tuple-of-strict-contractions/", "published_at": "2025-01-03T09:22:18+00:00" }, { "id": "01a0bdd0-0700-71cf-9e04-f427e49743b7", "title": "The isomorphism problem for algebras of bounded noncommutative functions on subvarieties of nc operator balls", "url": "https://noncommutativeanalysis.wordpress.com/2024/11/19/the-isomorphism-problem-for-algebras-of-bounded-noncommutative-functions-on-subvarieties-of-nc-operator-balls/", "published_at": "2024-11-19T08:14:34+00:00" }, { "id": "01a0bdd0-0700-71cf-9e04-f427e51fb502", "title": "Souvenirs from John E. McCarthy’s 60 birthday conference in St. Louis", "url": "https://noncommutativeanalysis.wordpress.com/2024/06/16/souvenirs-from-john-e-mccarthys-60-birthday-conference-in-st-louis/", "published_at": "2024-06-16T15:45:11+00:00" }, { "id": "01a0bdd0-0700-71cf-9e04-f427e597553e", "title": "Dilation distance and the stability of ergodic commutation relations", "url": "https://noncommutativeanalysis.wordpress.com/2024/06/13/dilation-distance-and-the-stability-of-ergodic-commutation-relations/", "published_at": "2024-06-12T21:41:42+00:00" }, { "id": "01a0bdd0-0700-71cf-9e04-f427e6258c01", "title": "Noncommutative Function Theory and Free Probability at Oberwolfach", "url": "https://noncommutativeanalysis.wordpress.com/2024/05/08/noncommutative-function-theory-and-free-probability-at-oberwolfach/", "published_at": "2024-05-08T15:35:54+00:00" }, { "id": "01a0bdd0-0700-71cf-9e04-f427e641470d", "title": "Arveson’s hyperrigidity conjecture refuted by Bilich and Dor-On", "url": "https://noncommutativeanalysis.wordpress.com/2024/04/09/arvesons-hyperrigidity-conjecture-refuted-by-bilich-and-dor-on/", "published_at": "2024-04-09T13:15:51+00:00" }, { "id": "01a0bdd0-0700-71cf-9e04-f427e72f62c2", "title": "On dilations of CP-semigroups (my talk at the Midrasha at Weizmann Institute)", "url": "https://noncommutativeanalysis.wordpress.com/2024/02/23/on-dilations-of-cp-semigroups-my-talk-at-the-midrasha-at-weizmann-institute/", "published_at": "2024-02-23T11:15:19+00:00" }, { "id": "01a0bdd3-ef40-728a-a752-64e6a9d4297a", "title": "My teaching statment", "url": "https://noncommutativeanalysis.wordpress.com/2024/02/20/teaching-statment/", "published_at": "2024-02-20T07:32:59+00:00" }, { "id": "01a0bdd3-ef40-728a-a752-64e6a9ea502b", "title": "“CP-semigroups and dilations… and beyond” is now in print", "url": "https://noncommutativeanalysis.wordpress.com/2024/02/05/cp-semigroups-and-dilations-and-beyond-is-now-in-print/", "published_at": "2024-02-05T11:26:00+00:00" }, { "id": "01a0bdd3-ef40-728a-a752-64e6aa20fb29", "title": "October 7th 2023", "url": "https://noncommutativeanalysis.wordpress.com/2023/10/15/october-7th-2023/", "published_at": "2023-10-15T07:19:36+00:00" }, { "id": "01a0bdd3-ef40-728a-a752-64e6ab0a917e", "title": "From idea to paper in just fourteen years", "url": "https://noncommutativeanalysis.wordpress.com/2023/09/13/from-idea-to-paper-in-just-fourteen-years/", "published_at": "2023-09-13T15:34:48+00:00" }, { "id": "01a0bdd3-ef40-728a-a752-64e6abdd1d1e", "title": "Eliahu Levy (1947-2023)", "url": "https://noncommutativeanalysis.wordpress.com/2023/08/09/eliahu-levy-1947-2023/", "published_at": "2023-08-09T18:30:08+00:00" }, { "id": "01a0bdd3-ef40-728a-a752-64e6ac9677b5", "title": "My talk at the Weizmann institute (“Dilation theory in action”)", "url": "https://noncommutativeanalysis.wordpress.com/2023/01/24/my-talk-at-the-weizmann-institute/", "published_at": "2023-01-24T06:37:01+00:00" }, { "id": "01a0bdd3-ef40-728a-a752-64e6acc6d69f", "title": "Proof of the ergodic theorem and the H-theorem in quantum mechanics – notes on von Neumann’s paper", "url": "https://noncommutativeanalysis.wordpress.com/2023/01/01/proof-of-the-ergodic-theorem-and-the-h-theorem-in-quantum-mechanics-notes-on-von-neumanns-paper/", "published_at": "2023-01-01T08:02:58+00:00" }, { "id": "01a0bdd3-ef40-728a-a752-64e6ad0931bb", "title": "New preprint: Tensor algebras of subproduct systems and noncommutative function theory", "url": "https://noncommutativeanalysis.wordpress.com/2022/12/27/new-preprint-tensor-algebras-of-subproduct-systems-and-noncommutative-function-theory/", "published_at": "2022-12-27T18:13:24+00:00" }, { "id": "01a0bdd3-ef40-728a-a752-64e6ad95f2b4", "title": "Notes and references for my lecture series on dilation theory (Copenhagen, October 2022)", "url": "https://noncommutativeanalysis.wordpress.com/2022/10/15/notes-and-references-for-my-lecture-series-on-dilation-theory-copenhagen-october-2022/", "published_at": "2022-10-15T10:16:17+00:00" }, { "id": "01a0bdd3-ef40-728a-a752-64e6ae7b53e3", "title": "Souvenirs from Polania", "url": "https://noncommutativeanalysis.wordpress.com/2022/09/14/souvenirs-from-polania/", "published_at": "2022-09-14T09:20:13+00:00" }, { "id": "01a0bdd7-4014-7263-8f3e-4454ed9f8964", "title": "Bounded perturbations of the Heisenberg commutation relation via dilation theory (preprint)", "url": "https://noncommutativeanalysis.wordpress.com/2022/08/17/bounded-perturbations-of-the-heisenberg-commutation-relation-via-dilation-theory-preprint/", "published_at": "2022-08-17T08:55:46+00:00" }, { "id": "01a0bdd7-4014-7263-8f3e-4454ede8e49a", "title": "Dilation and classification in operator algebra theory (workshop)", "url": "https://noncommutativeanalysis.wordpress.com/2022/07/26/dilation-and-classification-in-operator-algebra-theory-workshop/", "published_at": "2022-07-26T11:06:52+00:00" }, { "id": "01a0bdd7-4014-7263-8f3e-4454ee29696a", "title": "Noncommutative analysis at the Technion 2022", "url": "https://noncommutativeanalysis.wordpress.com/2022/07/12/noncommutative-analysis-at-the-technion-2022/", "published_at": "2022-07-12T15:55:30+00:00" }, { "id": "01a0bdd7-4014-7263-8f3e-4454ee714799", "title": "Workshop in honour of Paul Muhly: Noncommutative Analysis at the Technion, June 2022", "url": "https://noncommutativeanalysis.wordpress.com/2022/06/17/workshop-in-honour-of-paul-muhly-noncommutative-analysis-at-the-technion-june-2022-3/", "published_at": "2022-06-17T04:23:36+00:00" }, { "id": "01a0bdd7-4014-7263-8f3e-4454eed8c622", "title": "Talk: CP-semigroups and dilations, subproduct systems and superproduct systems", "url": "https://noncommutativeanalysis.wordpress.com/2022/05/19/talk-cp-semigroups-and-dilations-subproduct-systems-and-superproduct-systems/", "published_at": "2022-05-19T06:47:08+00:00" }, { "id": "01a0bdd7-4014-7263-8f3e-4454ef8b417d", "title": "Workshop in honour of Paul Muhly: Noncommutative Analysis at the Technion, June 2022", "url": "https://noncommutativeanalysis.wordpress.com/2022/04/28/workshop-in-honour-of-paul-muhly-noncommutative-analysis-at-the-technion-june-2022-2/", "published_at": "2022-04-28T08:59:04+00:00" }, { "id": "01a0bdd7-4014-7263-8f3e-4454f059d58c", "title": "A First Course in Functional Analysis – a second, corrected printing is now available", "url": "https://noncommutativeanalysis.wordpress.com/2022/04/14/a-first-course-in-functional-analysis-a-second-corrected-printing-is-now-available/", "published_at": "2022-04-14T14:05:55+00:00" }, { "id": "01a0bdd7-4014-7263-8f3e-4454f07f7ece", "title": "Great new set of lecture notes on the Drury-Arveson space", "url": "https://noncommutativeanalysis.wordpress.com/2022/04/09/great-new-set-of-lecture-notes-on-the-drury-arveson-space/", "published_at": "2022-04-09T07:34:53+00:00" }, { "id": "01a0bdd7-4014-7263-8f3e-4454f0d820ae", "title": "Workshop in honour of Paul Muhly: Noncommutative Analysis at the Technion, June 2022", "url": "https://noncommutativeanalysis.wordpress.com/2022/01/27/workshop-in-honour-of-paul-muhly-noncommutative-analysis-at-the-technion-june-2022/", "published_at": "2022-01-27T12:30:58+00:00" }, { "id": "01a0bdd7-4014-7263-8f3e-4454f17489cd", "title": "Souvenirs from the children’s room, and the warmest recommendation for an online mini-course", "url": "https://noncommutativeanalysis.wordpress.com/2021/11/26/souvenirs-from-the-childrens-room-and-the-warmest-recommendation-for-an-online-mini-course/", "published_at": "2021-11-26T10:22:54+00:00" }, { "id": "01a0bddb-8548-711a-aad9-6efe94298cf6", "title": "von Neumann’s inequality for row contractive matrix tuples", "url": "https://noncommutativeanalysis.wordpress.com/2021/09/29/von-neumanns-inequality-for-row-contractive-matrix-tuples-2/", "published_at": "2021-09-29T06:38:33+00:00" }, { "id": "01a0bddb-8548-711a-aad9-6efe945533e3", "title": "von Neumann’s inequality for row contractive matrix tuples", "url": "https://noncommutativeanalysis.wordpress.com/2021/09/20/von-neumanns-inequality-for-row-contractive-matrix-tuples/", "published_at": "2021-09-20T13:09:24+00:00" }, { "id": "01a0bddb-8548-711a-aad9-6efe950946f6", "title": "My talk at BIRS on “Noncommutative convexity, a la Davidson and Kennedy”", "url": "https://noncommutativeanalysis.wordpress.com/2021/08/02/my-talk-at-birs-on-noncommutative-convexity-a-la-davidson-and-kennedy/", "published_at": "2021-08-02T18:34:55+00:00" }, { "id": "01a0bddb-8548-711a-aad9-6efe95a7fbaf", "title": "Why a “scientific approach” to science education is something I reject", "url": "https://noncommutativeanalysis.wordpress.com/2021/06/19/why-a-scientific-approach-to-science-education-is-something-i-reject/", "published_at": "2021-06-19T12:05:38+00:00" }, { "id": "01a0bddb-8548-711a-aad9-6efe960516b7", "title": "Course announcement: “Topics in Functional Analysis 106433 – Introduction to Operator Algebras”", "url": "https://noncommutativeanalysis.wordpress.com/2021/06/08/course-announcement-topics-in-functional-analysis-106433-introduction-to-operator-algebras/", "published_at": "2021-06-08T13:31:05+00:00" }, { "id": "01a0bddb-8548-711a-aad9-6efe96c76e89", "title": "Slides of my talk at the seminar “in” Bucharest", "url": "https://noncommutativeanalysis.wordpress.com/2021/05/28/slides-of-my-talk-at-the-seminar-in-bucharest/", "published_at": "2021-05-28T07:00:21+00:00" }, { "id": "01a0bddb-8548-711a-aad9-6efe97b4b34a", "title": "Seminar talk by Pandey – Distance between reproducing kernel Hilbert spaces and geometry of finite sets in the unit ball", "url": "https://noncommutativeanalysis.wordpress.com/2021/04/24/seminar-talk-by-pandey-distance-between-reproducing-kernel-hilbert-spaces-and-geometry-of-finite-sets-in-the-unit-ball/", "published_at": "2021-04-24T09:07:28+00:00" }, { "id": "01a0bddb-8548-711a-aad9-6efe98038bbf", "title": "William Arveson", "url": "https://noncommutativeanalysis.wordpress.com/2021/02/12/william-arveson-2/", "published_at": "2021-02-12T14:59:28+00:00" }, { "id": "01a0bddb-8548-711a-aad9-6efe98ae76a7", "title": "Seminar talk by Viselter – Quantum groups: constructions and lattices", "url": "https://noncommutativeanalysis.wordpress.com/2021/02/11/seminar-talk-by-viselter-quantum-groups-constructions-and-lattices/", "published_at": "2021-02-11T06:34:12+00:00" }, { "id": "01a0bddb-8548-711a-aad9-6efe98cf1621", "title": "Seminar talk by Hartz: How can you compute the multiplier norm?", "url": "https://noncommutativeanalysis.wordpress.com/2021/01/01/seminar-talk-by-hartz-how-can-you-compute-the-multiplier-norm/", "published_at": "2020-12-31T22:31:01+00:00" }, { "id": "01a0bdde-4ef2-70e0-bfae-c08d1d7b29fb", "title": "Seminar talk by Dor-On: Quantum symmetries in the representation theory of operator algebras", "url": "https://noncommutativeanalysis.wordpress.com/2020/11/27/seminar-talk-by-dor-on-quantum-symmetries-in-the-representation-theory-of-operator-algebras/", "published_at": "2020-11-27T05:49:32+00:00" }, { "id": "01a0bdde-4ef2-70e0-bfae-c08d1e05a10e", "title": "New paper: Distance between reproducing kernel Hilbert spaces and geometry of finite sets in the unit ball", "url": "https://noncommutativeanalysis.wordpress.com/2020/11/13/new-paper-distance-between-reproducing-kernel-hilbert-spaces-and-geometry-of-finite-sets-in-the-unit-ball/", "published_at": "2020-11-13T06:01:20+00:00" }, { "id": "01a0bdde-4ef2-70e0-bfae-c08d1ee0051e", "title": "Seminar talk by Salomon: Combinatorial and operator algebraic aspects of proximal actions", "url": "https://noncommutativeanalysis.wordpress.com/2020/10/30/seminar-talk-by-salomon-combinatorial-and-operator-algebraic-aspects-of-proximal-actions/", "published_at": "2020-10-30T09:51:29+00:00" }, { "id": "01a0bdde-4ef2-70e0-bfae-c08d1fdc9616", "title": "Three classification results in the theory of weighted hardy spaces in the ball – summary of summer project", "url": "https://noncommutativeanalysis.wordpress.com/2020/10/15/three-classification-results-in-the-theory-of-weighted-hardy-spaces-in-the-ball-summary-of-summer-project/", "published_at": "2020-10-15T06:45:48+00:00" }, { "id": "01a0bdde-4ef2-70e0-bfae-c08d203a1ad0", "title": "Michael Hartz awarded Zemanek prize in functional analysis", "url": "https://noncommutativeanalysis.wordpress.com/2020/09/30/michael-hartz-awarded-zemanek-prize-in-functional-analysis/", "published_at": "2020-09-30T13:10:22+00:00" }, { "id": "01a0bdde-4ef2-70e0-bfae-c08d209c88ed", "title": "Summer project 2020 – Hilbert function spaces of analytic functions in a complex variable", "url": "https://noncommutativeanalysis.wordpress.com/2020/08/24/summer-project-2020-hilbert-function-spaces-of-analytic-functions-in-a-complex-variable/", "published_at": "2020-08-24T07:53:55+00:00" }, { "id": "01a0bdde-4ef2-70e0-bfae-c08d21755bd6", "title": "My talk at Fields – video available", "url": "https://noncommutativeanalysis.wordpress.com/2020/07/25/my-talk-at-fields-video-available/", "published_at": "2020-07-25T04:58:47+00:00" }, { "id": "01a0bdde-4ef2-70e0-bfae-c08d21a13fab", "title": "Noncommutative Analysis at the Technion 2021 – a conference in honour of Paul Muhly", "url": "https://noncommutativeanalysis.wordpress.com/2020/07/14/noncommutative-analysis-at-the-technion-2021-a-conference-in-honour-of-paul-muhly/", "published_at": "2020-07-14T15:11:33+00:00" }, { "id": "01a0bdde-4ef2-70e0-bfae-c08d22833196", "title": "Seminar talk at the BGU OA Seminar", "url": "https://noncommutativeanalysis.wordpress.com/2020/06/26/seminar-talk-at-the-bgu-oa-seminar/", "published_at": "2020-06-26T16:20:10+00:00" }, { "id": "01a0bdde-4ef2-70e0-bfae-c08d23634d0f", "title": "New paper: Dilations of unitary tuples", "url": "https://noncommutativeanalysis.wordpress.com/2020/06/04/new-paper-dilations-of-commuting-unitaries/", "published_at": "2020-06-04T04:20:34+00:00" }, { "id": "01a0bde0-eb18-7338-8998-31dcea79314f", "title": "My slides for the COSY talk and the seminar talk", "url": "https://noncommutativeanalysis.wordpress.com/2020/05/27/my-slides-for-the-cosy-talk-and-the-seminar-talk/", "published_at": "2020-05-27T15:03:31+00:00" }, { "id": "01a0bde0-eb19-7195-a138-a18aa0009466", "title": "Seminar talk", "url": "https://noncommutativeanalysis.wordpress.com/2020/05/15/seminar-talk/", "published_at": "2020-05-15T09:59:23+00:00" }, { "id": "01a0bde0-eb19-7195-a138-a18aa029fc92", "title": "The 48th Canadian Operator Symposium will be held online", "url": "https://noncommutativeanalysis.wordpress.com/2020/04/14/the-48th-canadian-operator-symposium-will-be-held-online/", "published_at": "2020-04-14T07:39:57+00:00" }, { "id": "01a0bde0-eb19-7195-a138-a18aa0bd1834", "title": "Dilations of q-commuting unitaries", "url": "https://noncommutativeanalysis.wordpress.com/2020/04/10/dilations-of-q-commuting-unitaries/", "published_at": "2020-04-10T05:28:44+00:00" }, { "id": "01a0bde0-eb19-7195-a138-a18aa11cb3ca", "title": "CP-Semigroups and Dilations, Subproduct Systems and Superproduct Systems: the Multi-Parameter Case and Beyond", "url": "https://noncommutativeanalysis.wordpress.com/2020/03/31/cp-semigroups-and-dilations-subproduct-systems-and-superproduct-systems-the-multi-parameter-case-and-beyond-2/", "published_at": "2020-03-31T12:23:30+00:00" }, { "id": "01a0bde0-eb19-7195-a138-a18aa1ff6ef0", "title": "White flag", "url": "https://noncommutativeanalysis.wordpress.com/2020/03/31/white-flag/", "published_at": "2020-03-31T11:23:31+00:00" }, { "id": "01a0bde0-eb19-7195-a138-a18aa29ad29c", "title": "Black Flag", "url": "https://noncommutativeanalysis.wordpress.com/2020/03/21/black-flag/", "published_at": "2020-03-21T06:19:52+00:00" }, { "id": "01a0bde0-eb19-7195-a138-a18aa2efdf7f", "title": "CP-Semigroups and Dilations, Subproduct Systems and Superproduct Systems: the Multi-Parameter Case and Beyond", "url": "https://noncommutativeanalysis.wordpress.com/2020/03/13/cp-semigroups-and-dilations-subproduct-systems-and-superproduct-systems-the-multi-parameter-case-and-beyond/", "published_at": "2020-03-13T10:28:23+00:00" }, { "id": "01a0bde0-eb19-7195-a138-a18aa3032a8a", "title": "A survey (another one!) on dilation theory", "url": "https://noncommutativeanalysis.wordpress.com/2020/02/14/a-survey-another-one-on-dilation-theory/", "published_at": "2020-02-14T10:13:10+00:00" }, { "id": "01a0bde0-eb19-7195-a138-a18aa37b4cd4", "title": "Janos Aczel (1924-2020)", "url": "https://noncommutativeanalysis.wordpress.com/2020/01/23/janos-aczel-1924-2020/", "published_at": "2020-01-23T08:32:35+00:00" }, { "id": "01a0bde3-5ca1-7129-8230-ebb427e51b34", "title": "My talks at NCGA Bhubaneswar", "url": "https://noncommutativeanalysis.wordpress.com/2020/01/09/my-talks-at-ncga-bhubaneswar/", "published_at": "2020-01-09T03:29:02+00:00" }, { "id": "01a0bde3-5ca1-7129-8230-ebb42872c225", "title": "New paper: “On the matrix range of random matrices”", "url": "https://noncommutativeanalysis.wordpress.com/2019/11/29/new-paper-on-the-matrix-range-of-random-matrices/", "published_at": "2019-11-29T10:54:02+00:00" }, { "id": "01a0bde3-5ca1-7129-8230-ebb429401916", "title": "Boris Paneah (1936-2019)", "url": "https://noncommutativeanalysis.wordpress.com/2019/10/16/boris-paneah-1936-2019/", "published_at": "2019-10-16T07:48:10+00:00" }, { "id": "01a0bde3-5ca1-7129-8230-ebb4298dba17", "title": "The disc trick (and some other cute moves)", "url": "https://noncommutativeanalysis.wordpress.com/2019/10/10/the-disc-trick-and-some-other-cute-moves/", "published_at": "2019-10-10T09:30:00+00:00" }, { "id": "01a0bde3-5ca1-7129-8230-ebb429e6d4bc", "title": "The complex matrix cube problem – new results from summer projects", "url": "https://noncommutativeanalysis.wordpress.com/2019/10/06/the-complex-matrix-cube-problem-new-results-from-summer-projects/", "published_at": "2019-10-06T18:01:30+00:00" }, { "id": "01a0bde3-5ca1-7129-8230-ebb42a9c4c73", "title": "The perfect Nullstellensatz just got more perfect", "url": "https://noncommutativeanalysis.wordpress.com/2019/06/20/the-perfect-nullstellensatz-just-got-more-perfect/", "published_at": "2019-06-20T18:30:35+00:00" }, { "id": "01a0bde3-5ca1-7129-8230-ebb42aa87f34", "title": "Around and under my talk at Fields", "url": "https://noncommutativeanalysis.wordpress.com/2019/06/13/around-and-under-my-talk-at-fields/", "published_at": "2019-06-13T10:25:40+00:00" }, { "id": "01a0bde3-5ca1-7129-8230-ebb42b272cdb", "title": "Topics in Operator Theory, Lecture 10: hyperrigidity", "url": "https://noncommutativeanalysis.wordpress.com/2019/01/07/topics-in-operator-theory-lecture-10-hyperrigidity/", "published_at": "2019-01-07T11:44:31+00:00" }, { "id": "01a0bde3-5ca1-7129-8230-ebb42ba0d531", "title": "Topics in Operator Theory, Lecture 9: the boundary theorem", "url": "https://noncommutativeanalysis.wordpress.com/2019/01/01/topics-in-operator-theory-lecture-9-the-boundary-theorem/", "published_at": "2019-01-01T07:49:11+00:00" }, { "id": "01a0bde3-5ca1-7129-8230-ebb42c940355", "title": "Topics in Operator Theory, Lecture 8: matrix convexity", "url": "https://noncommutativeanalysis.wordpress.com/2018/12/24/topics-in-operator-theory-lecture-8-matrix-convexity/", "published_at": "2018-12-24T09:07:09+00:00" }, { "id": "01a0bde5-ccae-72d4-862a-1d1f83ef25b0", "title": "The never ending paper", "url": "https://noncommutativeanalysis.wordpress.com/2018/12/21/the-never-ending-paper/", "published_at": "2018-12-21T05:41:12+00:00" }, { "id": "01a0bde5-ccae-72d4-862a-1d1f84ec7faa", "title": "Topics in Operator Theory, Lecture 7: boundary representations", "url": "https://noncommutativeanalysis.wordpress.com/2018/12/11/topics-in-operator-theory-lecture-7-boundary-representations/", "published_at": "2018-12-11T10:36:39+00:00" }, { "id": "01a0bde5-ccae-72d4-862a-1d1f8580496c", "title": "Topics in Operator Theory, Lecture 6: an overview of noncommutative boundary theory", "url": "https://noncommutativeanalysis.wordpress.com/2018/12/07/topics-in-operator-theory-lecture-6-an-overview-of-noncommutative-boundary-theory/", "published_at": "2018-12-07T12:30:45+00:00" }, { "id": "01a0bde5-ccae-72d4-862a-1d1f859e0479", "title": "Topics in Operator Theory, Lecture 5 and on", "url": "https://noncommutativeanalysis.wordpress.com/2018/11/18/topics-on-operator-theory-lecture-5-and-on/", "published_at": "2018-11-18T15:33:32+00:00" }, { "id": "01a0bde5-ccae-72d4-862a-1d1f865af95f", "title": "Topics in Operator Theory, Lecture 4: Pick interpolation via commutant lifting", "url": "https://noncommutativeanalysis.wordpress.com/2018/11/11/topics-in-operator-theory-lecture-4-pick-interpolation-via-commutant-lifting/", "published_at": "2018-11-11T11:25:16+00:00" }, { "id": "01a0bde5-ccae-72d4-862a-1d1f86c60823", "title": "Topics in Operator Theory, Lecture 3: Dilations of commuting operators", "url": "https://noncommutativeanalysis.wordpress.com/2018/11/06/topics-in-operator-theory-lecture-3-dilations-of-commuting-operators/", "published_at": "2018-11-06T07:55:39+00:00" }, { "id": "01a0bde5-ccae-72d4-862a-1d1f87761b04", "title": "Topics in Operator Theory, Lecture 2: Dilations of contractions", "url": "https://noncommutativeanalysis.wordpress.com/2018/11/03/topics-in-operator-theory-lecture-2-dilations-of-contractions/", "published_at": "2018-11-03T16:30:05+00:00" }, { "id": "01a0bde5-ccae-72d4-862a-1d1f87f322d0", "title": "Topics in Operator Theory, Lecture 1: Introduction", "url": "https://noncommutativeanalysis.wordpress.com/2018/10/23/topics-in-operator-theory-lecture-1/", "published_at": "2018-10-23T12:30:34+00:00" }, { "id": "01a0bde5-ccae-72d4-862a-1d1f8880c1bf", "title": "Course announcement: Operator Spaces, Operator Algebras and Related Topics (Topics in Operator Theory 106435)", "url": "https://noncommutativeanalysis.wordpress.com/2018/10/17/course-announcement-operator-spaces-operator-algebras-and-related-topics-topics-in-operator-theory-106435/", "published_at": "2018-10-17T10:53:16+00:00" }, { "id": "01a0bde5-ccae-72d4-862a-1d1f896765b4", "title": "New paper “Compressions of compact tuples”, and announcement of mistake (and correction) in old paper “Dilations, inclusions of matrix convex sets, and completely positive maps”", "url": "https://noncommutativeanalysis.wordpress.com/2018/09/17/new-paper-compressions-of-compact-tuples-and-announcement-of-mistake-in-old-paper-dilations-inclusions-of-matrix-convex-sets-and-completely-positive-maps/", "published_at": "2018-09-17T08:20:30+00:00" } ] posts Claim your blog
Back to noncommutativeanalysis.wordpress.com
Blog · corpus.blog/blogs/noncommutativeanalysis.wordpress.com/posts

noncommutativeanalysis.wordpress.com

noncommutativeanalysis.wordpress.com

2026

The big oneoriginal ↗
9 Sept 2026
What’s not neworiginal ↗
21 Aug 2026
Souvenirs from Timisoara: an invariant subspace theorem and a solution of an open problem of McCarthy and Shalitoriginal ↗
18 Jul 2026
Marcel Scherer resolves the Smith-Ward problem!original ↗
8 Jul 2026
Breakthrough bounds on the universal dilation constant by Ian Thompsonoriginal ↗
15 Jun 2026
On the spectral radius of operator tuples (new paper)original ↗
12 May 2026
The publishing monster: it’s our own faultoriginal ↗
4 May 2026
Mini book review: Philosophy of Mathematics (Brown)original ↗
17 Apr 2026
Reading log: Philosophy of Mathematics (Brown)original ↗
28 Mar 2026
The Unreasonable Flakiness of Assessment in the Mathematical Sciencesoriginal ↗
9 Feb 2026
The path to noncommutative function theory: a research storyoriginal ↗
3 Feb 2026
Seven antidotes for AI confusionoriginal ↗
26 Jan 2026

2025

Student projects in complex function theory – The Prime Number Theorem and Riemann’s paperoriginal ↗
22 Nov 2025
“We can obtain less rigorous but more convincing results by other means” (new paper)original ↗
16 Oct 2025
Recommended reading: History of Large Language Modelsoriginal ↗
12 Oct 2025
Student projects in complex analysis: The Prime Number Theoremoriginal ↗
4 Oct 2025
The Analyst’s Gambit: A Second Course in Functional Analysisoriginal ↗
3 Oct 2025
Who (or what) could have written a better book?original ↗
19 Sept 2025
The Analyst’s Gambitoriginal ↗
20 Jun 2025
Souvenirs from Waterloooriginal ↗
8 Jun 2025
Souvenirs from Tunnel Mountainoriginal ↗
14 May 2025
The last surveyoriginal ↗
4 Feb 2025
The Stone Weierstrass Theorem – an Introductory Lecture to Functional Analysisoriginal ↗
4 Jan 2025
When is a tuple of matrices jointly similar to a tuple of strict contractions?original ↗
3 Jan 2025

2024

The isomorphism problem for algebras of bounded noncommutative functions on subvarieties of nc operator ballsoriginal ↗
19 Nov 2024
Souvenirs from John E. McCarthy’s 60 birthday conference in St. Louisoriginal ↗
16 Jun 2024
Dilation distance and the stability of ergodic commutation relationsoriginal ↗
12 Jun 2024
Noncommutative Function Theory and Free Probability at Oberwolfachoriginal ↗
8 May 2024
Arveson’s hyperrigidity conjecture refuted by Bilich and Dor-Onoriginal ↗
9 Apr 2024
On dilations of CP-semigroups (my talk at the Midrasha at Weizmann Institute)original ↗
23 Feb 2024
My teaching statmentoriginal ↗
20 Feb 2024
“CP-semigroups and dilations… and beyond” is now in printoriginal ↗
5 Feb 2024

2023

October 7th 2023original ↗
15 Oct 2023
From idea to paper in just fourteen yearsoriginal ↗
13 Sept 2023
Eliahu Levy (1947-2023)original ↗
9 Aug 2023
My talk at the Weizmann institute (“Dilation theory in action”)original ↗
24 Jan 2023
Proof of the ergodic theorem and the H-theorem in quantum mechanics – notes on von Neumann’s paperoriginal ↗
1 Jan 2023

2022

New preprint: Tensor algebras of subproduct systems and noncommutative function theoryoriginal ↗
27 Dec 2022
Notes and references for my lecture series on dilation theory (Copenhagen, October 2022)original ↗
15 Oct 2022
Souvenirs from Polaniaoriginal ↗
14 Sept 2022
Bounded perturbations of the Heisenberg commutation relation via dilation theory (preprint)original ↗
17 Aug 2022
Dilation and classification in operator algebra theory (workshop)original ↗
26 Jul 2022
Noncommutative analysis at the Technion 2022original ↗
12 Jul 2022
Workshop in honour of Paul Muhly: Noncommutative Analysis at the Technion, June 2022original ↗
17 Jun 2022
Talk: CP-semigroups and dilations, subproduct systems and superproduct systemsoriginal ↗
19 May 2022
Workshop in honour of Paul Muhly: Noncommutative Analysis at the Technion, June 2022original ↗
28 Apr 2022
A First Course in Functional Analysis – a second, corrected printing is now availableoriginal ↗
14 Apr 2022
Great new set of lecture notes on the Drury-Arveson spaceoriginal ↗
9 Apr 2022
Workshop in honour of Paul Muhly: Noncommutative Analysis at the Technion, June 2022original ↗
27 Jan 2022

2021

Souvenirs from the children’s room, and the warmest recommendation for an online mini-courseoriginal ↗
26 Nov 2021
von Neumann’s inequality for row contractive matrix tuplesoriginal ↗
29 Sept 2021
von Neumann’s inequality for row contractive matrix tuplesoriginal ↗
20 Sept 2021
My talk at BIRS on “Noncommutative convexity, a la Davidson and Kennedy”original ↗
2 Aug 2021
Why a “scientific approach” to science education is something I rejectoriginal ↗
19 Jun 2021
Course announcement: “Topics in Functional Analysis 106433 – Introduction to Operator Algebras”original ↗
8 Jun 2021
Slides of my talk at the seminar “in” Bucharestoriginal ↗
28 May 2021
Seminar talk by Pandey – Distance between reproducing kernel Hilbert spaces and geometry of finite sets in the unit balloriginal ↗
24 Apr 2021
William Arvesonoriginal ↗
12 Feb 2021
Seminar talk by Viselter – Quantum groups: constructions and latticesoriginal ↗
11 Feb 2021

2020

Seminar talk by Hartz: How can you compute the multiplier norm?original ↗
31 Dec 2020
Seminar talk by Dor-On: Quantum symmetries in the representation theory of operator algebrasoriginal ↗
27 Nov 2020
New paper: Distance between reproducing kernel Hilbert spaces and geometry of finite sets in the unit balloriginal ↗
13 Nov 2020
Seminar talk by Salomon: Combinatorial and operator algebraic aspects of proximal actionsoriginal ↗
30 Oct 2020
Three classification results in the theory of weighted hardy spaces in the ball – summary of summer projectoriginal ↗
15 Oct 2020
Michael Hartz awarded Zemanek prize in functional analysisoriginal ↗
30 Sept 2020
Summer project 2020 – Hilbert function spaces of analytic functions in a complex variableoriginal ↗
24 Aug 2020
My talk at Fields – video availableoriginal ↗
25 Jul 2020
Noncommutative Analysis at the Technion 2021 – a conference in honour of Paul Muhlyoriginal ↗
14 Jul 2020
Seminar talk at the BGU OA Seminaroriginal ↗
26 Jun 2020
New paper: Dilations of unitary tuplesoriginal ↗
4 Jun 2020
My slides for the COSY talk and the seminar talkoriginal ↗
27 May 2020
Seminar talkoriginal ↗
15 May 2020
The 48th Canadian Operator Symposium will be held onlineoriginal ↗
14 Apr 2020
Dilations of q-commuting unitariesoriginal ↗
10 Apr 2020
CP-Semigroups and Dilations, Subproduct Systems and Superproduct Systems: the Multi-Parameter Case and Beyondoriginal ↗
31 Mar 2020
White flagoriginal ↗
31 Mar 2020
Black Flagoriginal ↗
21 Mar 2020
CP-Semigroups and Dilations, Subproduct Systems and Superproduct Systems: the Multi-Parameter Case and Beyondoriginal ↗
13 Mar 2020
A survey (another one!) on dilation theoryoriginal ↗
14 Feb 2020
Janos Aczel (1924-2020)original ↗
23 Jan 2020
My talks at NCGA Bhubaneswaroriginal ↗
9 Jan 2020

2019

New paper: “On the matrix range of random matrices”original ↗
29 Nov 2019
Boris Paneah (1936-2019)original ↗
16 Oct 2019
The disc trick (and some other cute moves)original ↗
10 Oct 2019
The complex matrix cube problem – new results from summer projectsoriginal ↗
6 Oct 2019
The perfect Nullstellensatz just got more perfectoriginal ↗
20 Jun 2019
Around and under my talk at Fieldsoriginal ↗
13 Jun 2019
Topics in Operator Theory, Lecture 10: hyperrigidityoriginal ↗
7 Jan 2019
Topics in Operator Theory, Lecture 9: the boundary theoremoriginal ↗
1 Jan 2019

2018

Topics in Operator Theory, Lecture 8: matrix convexityoriginal ↗
24 Dec 2018
The never ending paperoriginal ↗
21 Dec 2018
Topics in Operator Theory, Lecture 7: boundary representationsoriginal ↗
11 Dec 2018
Topics in Operator Theory, Lecture 6: an overview of noncommutative boundary theoryoriginal ↗
7 Dec 2018
Topics in Operator Theory, Lecture 5 and onoriginal ↗
18 Nov 2018
Topics in Operator Theory, Lecture 4: Pick interpolation via commutant liftingoriginal ↗
11 Nov 2018
Topics in Operator Theory, Lecture 3: Dilations of commuting operatorsoriginal ↗
6 Nov 2018
Topics in Operator Theory, Lecture 2: Dilations of contractionsoriginal ↗
3 Nov 2018
Topics in Operator Theory, Lecture 1: Introductionoriginal ↗
23 Oct 2018
Course announcement: Operator Spaces, Operator Algebras and Related Topics (Topics in Operator Theory 106435)original ↗
17 Oct 2018
New paper “Compressions of compact tuples”, and announcement of mistake (and correction) in old paper “Dilations, inclusions of matrix convex sets, and completely positive maps”original ↗
17 Sept 2018
Next