corpus.blog
41554 blogs · [ { "id": "01a0bbc9-5e7d-7078-ae1c-5436f566764f", "title": "Symmetric 0-1 Matrices with All Eigenvalues Positive", "url": "https://mikespivey.wordpress.com/2012/12/23/symmetric-0-1-matrices-with-all-eigenvalues-positive/", "published_at": "2012-12-23T21:35:52+00:00" }, { "id": "01a0bbc9-5e7e-72bf-9dcc-f24291d2ca30", "title": "The Absorption Identity for Binomial Coefficients", "url": "https://mikespivey.wordpress.com/2012/12/10/absorption-identity/", "published_at": "2012-12-10T19:42:19+00:00" }, { "id": "01a0bbc9-5e7e-72bf-9dcc-f242925256b0", "title": "Some Uses of Duality in Linear Programming", "url": "https://mikespivey.wordpress.com/2012/12/04/dualitylp/", "published_at": "2012-12-05T05:20:48+00:00" }, { "id": "01a0bbc9-5e7e-72bf-9dcc-f242926ea8cd", "title": "A Simple Proof of Euler’s Formula", "url": "https://mikespivey.wordpress.com/2012/11/12/eulersformul/", "published_at": "2012-11-13T05:02:50+00:00" }, { "id": "01a0bbc9-5e7e-72bf-9dcc-f2429344b071", "title": "Some Stirling Number Congruences", "url": "https://mikespivey.wordpress.com/2012/10/15/stirling_congruence/", "published_at": "2012-10-16T04:52:44+00:00" }, { "id": "01a0bbc9-5e7e-72bf-9dcc-f24293e256cf", "title": "How Fast Do Factorials Grow?", "url": "https://mikespivey.wordpress.com/2012/09/25/how-fast-do-factorials-grow/", "published_at": "2012-09-26T05:07:42+00:00" }, { "id": "01a0bbc9-5e7e-72bf-9dcc-f242946fb28c", "title": "The Integral of Secant", "url": "https://mikespivey.wordpress.com/2012/08/22/the-integral-of-secant/", "published_at": "2012-08-23T03:29:26+00:00" }, { "id": "01a0bbc9-5e7e-72bf-9dcc-f242947aae05", "title": "When Do 2×2 Covariance Matrices Have Repeated Eigenvalues?", "url": "https://mikespivey.wordpress.com/2012/08/13/covarianceeigenvalues/", "published_at": "2012-08-13T22:08:35+00:00" }, { "id": "01a0bbc9-5e7e-72bf-9dcc-f242951a757f", "title": "The Parameter Tau in Idzorek’s Version of the Black-Litterman Model", "url": "https://mikespivey.wordpress.com/2012/07/20/tauidzorek/", "published_at": "2012-07-20T22:16:08+00:00" }, { "id": "01a0bbc9-5e7e-72bf-9dcc-f2429593b21c", "title": "Combinatorial Interpretation of the Alternating Convolution of the Central Binomial Coefficients, Part 2", "url": "https://mikespivey.wordpress.com/2012/05/21/altconvcentralbinom2/", "published_at": "2012-05-21T19:57:36+00:00" }, { "id": "01a0bbce-2e79-73eb-ac8a-1f5ad2743493", "title": "Combinatorial Interpretation of the Alternating Convolution of the Central Binomial Coefficients", "url": "https://mikespivey.wordpress.com/2012/03/16/altconvcentralbinom/", "published_at": "2012-03-16T23:20:46+00:00" }, { "id": "01a0bbce-2e79-73eb-ac8a-1f5ad2c20ec4", "title": "The Expected Number of Flips for a Coin to Achieve n Consecutive Heads", "url": "https://mikespivey.wordpress.com/2012/02/09/consecutiveheads/", "published_at": "2012-02-10T01:23:50+00:00" }, { "id": "01a0bbce-2e79-73eb-ac8a-1f5ad325a9ee", "title": "NSEW Lattice Path Statistics", "url": "https://mikespivey.wordpress.com/2012/01/04/morelatticestat/", "published_at": "2012-01-04T19:02:28+00:00" }, { "id": "01a0bbce-2e79-73eb-ac8a-1f5ad3a66afb", "title": "The Number of NSEW Lattice Paths with a Maximum Height of y", "url": "https://mikespivey.wordpress.com/2011/12/31/latticepathsmaxheigh/", "published_at": "2011-12-31T22:34:07+00:00" }, { "id": "01a0bbce-2e79-73eb-ac8a-1f5ad403789f", "title": "Checking Multiplication via Digit Sums", "url": "https://mikespivey.wordpress.com/2011/12/27/digit-sums/", "published_at": "2011-12-27T22:50:16+00:00" }, { "id": "01a0bbce-2e79-73eb-ac8a-1f5ad4ce39e1", "title": "A Combinatorial Proof of a Formula Involving Euler’s Totient Function", "url": "https://mikespivey.wordpress.com/2011/12/20/combinatorial-totient/", "published_at": "2011-12-21T00:18:37+00:00" }, { "id": "01a0bbce-2e79-73eb-ac8a-1f5ad53de2cd", "title": "The Duality “Gap” in Linear Programming", "url": "https://mikespivey.wordpress.com/2011/12/17/lpdualitygap/", "published_at": "2011-12-17T22:12:33+00:00" }, { "id": "01a0bbce-2e79-73eb-ac8a-1f5ad5fe42b4", "title": "Solving Two-Term Combinatorial Recurrence Relations", "url": "https://mikespivey.wordpress.com/2011/12/14/solving-two-combinatorial-recurrence-relations/", "published_at": "2011-12-14T19:59:21+00:00" }, { "id": "01a0bbce-2e79-73eb-ac8a-1f5ad6811433", "title": "Harmonic Numbers and Stirling Numbers", "url": "https://mikespivey.wordpress.com/2011/12/10/harmonic-numbers-and-stirling-numbers/", "published_at": "2011-12-11T05:00:45+00:00" }, { "id": "01a0bbce-2e79-73eb-ac8a-1f5ad752dfe4", "title": "Generating Geometric and Truncated Exponential Random Variates", "url": "https://mikespivey.wordpress.com/2011/12/05/generating-geometric-and-truncated-exponential-random-variates/", "published_at": "2011-12-05T23:17:35+00:00" }, { "id": "01a0bbd2-58fd-70d3-bf6e-7e21ce609edc", "title": "Using Indicator Variables to Calculate Expected Values", "url": "https://mikespivey.wordpress.com/2011/12/01/indicator-variables/", "published_at": "2011-12-01T17:38:42+00:00" }, { "id": "01a0bbd2-58fd-70d3-bf6e-7e21ceefd6df", "title": "Another Nice Proof of the Derangements Formula", "url": "https://mikespivey.wordpress.com/2011/11/28/derangements2/", "published_at": "2011-11-28T21:19:47+00:00" }, { "id": "01a0bbd2-58fd-70d3-bf6e-7e21cef5edbb", "title": "A Nice Proof of the Derangements Formula", "url": "https://mikespivey.wordpress.com/2011/11/22/derangements/", "published_at": "2011-11-22T20:47:40+00:00" }, { "id": "01a0bbd2-58fd-70d3-bf6e-7e21cf1390ec", "title": "A Product Calculus", "url": "https://mikespivey.wordpress.com/2011/11/17/a-product-calculus/", "published_at": "2011-11-17T23:23:18+00:00" }, { "id": "01a0bbd2-58fd-70d3-bf6e-7e21cf2f451e", "title": "Permutations with Fixed Points and Successions", "url": "https://mikespivey.wordpress.com/2011/11/14/fixed-points-and-successions/", "published_at": "2011-11-14T19:37:57+00:00" }, { "id": "01a0bbd2-58fd-70d3-bf6e-7e21d01e8d82", "title": "Euler Numbers via Eulerian Numbers", "url": "https://mikespivey.wordpress.com/2011/11/09/eulereulerian/", "published_at": "2011-11-09T18:11:04+00:00" }, { "id": "01a0bbd2-58fd-70d3-bf6e-7e21d0b37228", "title": "Parametric Derivatives", "url": "https://mikespivey.wordpress.com/2011/11/04/parametric-derivatives/", "published_at": "2011-11-04T23:10:03+00:00" }, { "id": "01a0bbd2-58fd-70d3-bf6e-7e21d183d408", "title": "Binomial Coefficient Identities via Integration", "url": "https://mikespivey.wordpress.com/2011/11/02/binomialviaintegration/", "published_at": "2011-11-02T19:41:54+00:00" }, { "id": "01a0bbd2-58fd-70d3-bf6e-7e21d19c743e", "title": "Why is Separation of Variables Valid?", "url": "https://mikespivey.wordpress.com/2011/10/28/separationofvariables/", "published_at": "2011-10-28T21:36:53+00:00" }, { "id": "01a0bbd2-58fd-70d3-bf6e-7e21d1fd18ba", "title": "Binomial Coefficient Identities via Complex Numbers", "url": "https://mikespivey.wordpress.com/2011/10/24/binomialviacomplex/", "published_at": "2011-10-25T04:40:34+00:00" }, { "id": "01a0bbd6-37e8-70be-a65d-091f54731225", "title": "Tail Bounds of the Normal Distribution", "url": "https://mikespivey.wordpress.com/2011/10/21/normaltails/", "published_at": "2011-10-21T17:48:51+00:00" }, { "id": "01a0bbd6-37e8-70be-a65d-091f5504148f", "title": "A satisfying weekend", "url": "https://mikespivey.wordpress.com/2011/10/18/satisfying/", "published_at": "2011-10-18T19:12:38+00:00" }, { "id": "01a0bbd6-37e8-70be-a65d-091f55d8ecba", "title": "Random Assignment Problems", "url": "https://mikespivey.wordpress.com/2011/10/14/random-assignment-problems/", "published_at": "2011-10-14T22:20:36+00:00" }, { "id": "01a0bbd6-37e8-70be-a65d-091f56b189d7", "title": "The Euler-Maclaurin Summation Formula", "url": "https://mikespivey.wordpress.com/2011/10/10/eulermaclaurin/", "published_at": "2011-10-10T23:07:24+00:00" }, { "id": "01a0bbd6-37e8-70be-a65d-091f5716151c", "title": "Perfect numbers and Pythagorean triples", "url": "https://mikespivey.wordpress.com/2011/10/08/perfecthypotenuse/", "published_at": "2011-10-08T21:07:48+00:00" } ] posts Claim your blog
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2012

Symmetric 0-1 Matrices with All Eigenvalues Positiveoriginal ↗
23 Dec 2012
The Absorption Identity for Binomial Coefficientsoriginal ↗
10 Dec 2012
Some Uses of Duality in Linear Programmingoriginal ↗
5 Dec 2012
A Simple Proof of Euler’s Formulaoriginal ↗
13 Nov 2012
Some Stirling Number Congruencesoriginal ↗
16 Oct 2012
How Fast Do Factorials Grow?original ↗
26 Sept 2012
The Integral of Secantoriginal ↗
23 Aug 2012
When Do 2×2 Covariance Matrices Have Repeated Eigenvalues?original ↗
13 Aug 2012
The Parameter Tau in Idzorek’s Version of the Black-Litterman Modeloriginal ↗
20 Jul 2012
Combinatorial Interpretation of the Alternating Convolution of the Central Binomial Coefficients, Part 2original ↗
21 May 2012
Combinatorial Interpretation of the Alternating Convolution of the Central Binomial Coefficientsoriginal ↗
16 Mar 2012
The Expected Number of Flips for a Coin to Achieve n Consecutive Headsoriginal ↗
10 Feb 2012
NSEW Lattice Path Statisticsoriginal ↗
4 Jan 2012

2011

The Number of NSEW Lattice Paths with a Maximum Height of yoriginal ↗
31 Dec 2011
Checking Multiplication via Digit Sumsoriginal ↗
27 Dec 2011
A Combinatorial Proof of a Formula Involving Euler’s Totient Functionoriginal ↗
21 Dec 2011
The Duality “Gap” in Linear Programmingoriginal ↗
17 Dec 2011
Solving Two-Term Combinatorial Recurrence Relationsoriginal ↗
14 Dec 2011
Harmonic Numbers and Stirling Numbersoriginal ↗
11 Dec 2011
Generating Geometric and Truncated Exponential Random Variatesoriginal ↗
5 Dec 2011
Using Indicator Variables to Calculate Expected Valuesoriginal ↗
1 Dec 2011
Another Nice Proof of the Derangements Formulaoriginal ↗
28 Nov 2011
A Nice Proof of the Derangements Formulaoriginal ↗
22 Nov 2011
A Product Calculusoriginal ↗
17 Nov 2011
Permutations with Fixed Points and Successionsoriginal ↗
14 Nov 2011
Euler Numbers via Eulerian Numbersoriginal ↗
9 Nov 2011
Parametric Derivativesoriginal ↗
4 Nov 2011
Binomial Coefficient Identities via Integrationoriginal ↗
2 Nov 2011
Why is Separation of Variables Valid?original ↗
28 Oct 2011
Binomial Coefficient Identities via Complex Numbersoriginal ↗
25 Oct 2011
Tail Bounds of the Normal Distributionoriginal ↗
21 Oct 2011
A satisfying weekendoriginal ↗
18 Oct 2011
Random Assignment Problemsoriginal ↗
14 Oct 2011
The Euler-Maclaurin Summation Formulaoriginal ↗
10 Oct 2011
Perfect numbers and Pythagorean triplesoriginal ↗
8 Oct 2011
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