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Top Questions

7 votes
3 answers
403 views
+50

How to evaluate $\int_0^1 \ln ^3(1+x) \ln (1-x) d x$?

8 votes
1 answer
163 views
+50

Compute the cohomology ring of $G=\langle u,v\mid uvuv=vuvu\rangle$.

5 votes
0 answers
562 views
+50

Eigenvalues of a simple random matrix (Girko's circular law?)

2 votes
1 answer
112 views
+100

Parameter Space of Smooth Cubic Surfaces over $\mathbb{C}$ is Connected

1 vote
1 answer
146 views
+50

Understanding flat modules

8 votes
3 answers
931 views
+100

Is there a known explanation for the Feynman point?

0 votes
1 answer
91 views
+50

If $f:\mathbb{R}-\{-1,K\}\rightarrow\mathbb{R}-\{\alpha,\beta\}$ is a function given by $f(x)=\dfrac{(2x-1)(2x^2-4 px+p^3)}{(x+1)(x^2-p^2x+p^2)}$

1 vote
0 answers
83 views
+50

Finding a non-affine function satisfying symmetry properties

0 votes
1 answer
42 views
+50

An integral equation over two CDFs on the unit interval

1 vote
1 answer
92 views
+50

Initial and boundary conditions for parabolic PDEs

3 votes
1 answer
141 views
+100

Calculate $\sum_{n=1}^\infty (1-\alpha) \alpha^nP^{*n}(x)$

3 votes
0 answers
74 views
+200

Linking Fourier Coefficients of periodic functions

6 votes
0 answers
149 views
+50

Complete reducibility for the Poincaré group

2 votes
1 answer
104 views
+50

Explicit translation of Ramanujan’s condition for the Selberg Class?

0 votes
0 answers
81 views
+100

How to use local approximation spaces to build a global space via the Partition of Unity Method

0 votes
0 answers
69 views
+50

Geometric picture of the geodesic in a low dimensional manifold with a semi-Riemannian metric

3 votes
0 answers
63 views
+100

Ideal of multivariate polynomial

7 votes
0 answers
150 views
+100

Kalman Filter -- handling large covariance matrices with principal-component-like structures

8 votes
2 answers
76 views
+50

Finding the Values of x for Different Numbers of Nash Equilibria in a Bimatrix Game

2 votes
0 answers
100 views
+100

Reason for property of convex decreasing sequences of reciprocals of positive integers; property defined with greedy algorithm

1 vote
0 answers
55 views
+50

Are pure Nash Equilibria better than Mixed Nash Equilibria

1 vote
1 answer
76 views
+50

Definition of a local minimum of a function over a closed set

0 votes
0 answers
110 views
+100

How does the quotient affect the complex valued metric?

2 votes
0 answers
83 views
+100

Positive solutions to a linear Diophantine equation

0 votes
0 answers
79 views
+150

Find optimal control

-1 votes
1 answer
89 views
+50

Character table for a covering group of $\mathbb{Z}_n \times \mathbb{Z}_m$

2 votes
0 answers
97 views
+50

Shapes with simple distance functions.

2 votes
0 answers
50 views
+50

Distribution of sum of two uniformly distributed variables under addition modulo

5 votes
1 answer
445 views
+100

Product of quotient topology not homeomorphic to the quotient of product topology

4 votes
0 answers
75 views
+100

Smallest eigenvalue of matrix with random elements (non-central Wishart)

9 votes
2 answers
219 views
+50

Generalizing Putnam 2014/B5

1 vote
0 answers
73 views
+50

Gauss Hypergeometric Function Simplification

0 votes
0 answers
66 views
+300

Constructing a product on vectors that satisfy some axioms

2 votes
1 answer
37 views
+50

The set of all ellipsoids $\mathcal{E}(A)$ contained in a bounded open set $A$ is compact

1 vote
0 answers
67 views
+50

Assumptions made in Liouville-Green Approximation

1 vote
0 answers
135 views
+50

A diagram with triangles and squares commute $\iff$ all triangle and square subdiagram commute

1 vote
1 answer
45 views
+100

Additive real semigroups with an unbounded below part

6 votes
3 answers
212 views
+50

how to evaluate $\int_0^1{\ln ^3\left( 1-x \right) \ln ^2\left( 1+x \right) \text{d}x}$

5 votes
0 answers
149 views
+50

Topologies that make a map continuous

1 vote
0 answers
75 views
+100

Inequality Involving Ratio of Harmonic Numbers

6 votes
0 answers
99 views
+50

When is $ \sum_{k \in \mathbb{Z}}\left(\frac{\sin(k)}{k}\right)^{n}=2 \int_{0}^{\infty}\left(\frac{\sin(x)}{x}\right)^{n}dx$?

1 vote
0 answers
23 views
+50

Finding References for known results about mixing time of a Markov chain arising from Gaussian elimination

3 votes
0 answers
51 views
+50

Compute integral $\int_{\partial B(0,r)} \frac{\log|z-y|}{|z-x|^2}\,dz$

1 vote
1 answer
80 views
+50

Pigeonhole Principle for "n people each in exactly p out of q committees" type of problem


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