joriki

Berlin, Germany

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How to evaluate $\int_0^1\frac{\log^2(1+x)}x\mathrm dx$?

sequences-and-series integration definite-integrals asked Feb 28, 2013 at 10:19

math.stackexchange.com

45 votes

math.SE has been stuck in read-only mode for 7 hours

support status-completed math-se read-only asked Mar 18, 2022 at 7:38

meta.stackexchange.com

38 votes

necessary and sufficient condition for trivial kernel of a matrix over a commutative ring

linear-algebra abstract-algebra matrices commutative-algebra asked Oct 11, 2011 at 16:07

math.stackexchange.com

25 votes

A proof of Wolstenholme's theorem

number-theory binomial-coefficients alternative-proof asked Jul 16, 2012 at 10:43

math.stackexchange.com

21 votes

an integer sum of products of tangents

sequences-and-series trigonometry asked Jul 21, 2012 at 21:38

math.stackexchange.com

18 votes

What's up with Plouffe's inverter? Is there an alternative?

online-resources asked Oct 24, 2012 at 9:58

math.stackexchange.com

18 votes

At what rate does the entropy of shuffled cards converge?

probability permutations entropy card-games asked Mar 5, 2016 at 20:45

math.stackexchange.com

18 votes

Generalised inclusion-exclusion principle

combinatorics reference-request inclusion-exclusion asked Jun 1, 2016 at 10:52

math.stackexchange.com

17 votes

Arnol'd's trivium problem #68

optimization calculus-of-variations asked Oct 14, 2012 at 13:19

math.stackexchange.com

15 votes

definite and indefinite sums and integrals

soft-question integration summation asked Oct 14, 2012 at 12:55

math.stackexchange.com

Top Answers

345

Self-Contained Proof that $\sum\limits_{n=1}^{\infty} \frac1{n^p}$ Converges for $p > 1$

math.stackexchange.com

143

Could someone explain conditional independence?

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133

Deleting any digit yields a prime... is there a name for this?

math.stackexchange.com

123

What's the largest possible volume of a taco, and how do I make one that big?

math.stackexchange.com

107

"Gaps" or "holes" in rational number system

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Volume of Region in 5D Space

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Multiple-choice question about the probability of a random answer to itself being correct

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What are the Axiom of Choice and Axiom of Determinacy?

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How many 7-note musical scales are possible within the 12-note system?

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Is it possible for a function to be in $L^p$ for only one $p$?

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What is wrong in my proof that 90 = 95? Or is it correct?

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How to get the aspect ratio of an image?

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how does expectation maximization work?

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For which number does multiplying it by 99 add a 1 to each end of its decimal representation?

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Best Fitting Plane given a Set of Points

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Examples of patterns that eventually fail

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Is that true that all the prime numbers are of the form $6m \pm 1$?

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Determinant of a block lower triangular matrix

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What is the maximum volume that can be contained by a sheet of paper?

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Group of positive rationals under multiplication not isomorphic to group of rationals

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Probability distribution in the coupon collector's problem

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Gradient descent with constraints

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Generate a random direction within a cone

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Does a closed and bounded set in $\mathbb{R}$ necessarily contain its supremum and infimum?

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Is Lagrange's theorem the most basic result in finite group theory?

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What is the analogue of spherical coordinates in $n$-dimensions?

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Rain droplets falling on a table

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Has any previously unknown result been proven by an automated theorem prover?

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necessary and sufficient condition for trivial kernel of a matrix over a commutative ring

math.stackexchange.com

Four coins with reflip problem?

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