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0 votes
0 answers
9 views

Measuring departure between the posterior predictive distribution and the true data generating distribution

0 votes
0 answers
5 views

Mulivariable Limit

0 votes
1 answer
14 views

Measurability of a family of parametric integrals assuming measurability of the integrand w.r.t. the parameter

0 votes
0 answers
19 views

Sufficiency convergence in $\mathbb{L}_1$ for convergence of perturbed conditional densities

0 votes
0 answers
7 views

Probability option selected exactly once

2 votes
3 answers
55 views

Constructing the interval [0, 1) via inverse powers of 2

0 votes
0 answers
7 views

General BSpline basis functions matrix calculation

2 votes
3 answers
137 views

Determining if a series converges or or diverges

-3 votes
0 answers
303 views
+50

Like Ramanujan : Strange limit and a remarkable behavior .

1 vote
1 answer
20 views

Last two digits of a sequence

1 vote
0 answers
9 views

Unit ball with dual set

48 votes
13 answers
76k views

Proving that the set of limit points of a set is closed

0 votes
0 answers
14 views

Confusion in understanding the definition of a linear and quasi-linear PDE.

2 votes
1 answer
37 views

Contour integration of an integral

2 votes
1 answer
21 views

Real Commutant Algebra of a Set of Matrices

5 votes
1 answer
1k views

Understanding the Yoneda product defined in terms of morphisms of projective resolutions.

5 votes
1 answer
8k views

Helmholtz and Biharmonic equation examples with exact solution

0 votes
0 answers
7 views

Subsequence of uniformly integrable sequence, $(f_{n_j})_j$, such $\int_0^1 f_{nj}g$ converges for all `nice' $g$

0 votes
0 answers
129 views

Help me to verify the proof of this theorem, which is proving $k$ª $=$ $\prod_{i=1} ^{\infty}$ $\mathbf K_{p_i}$ by using maximality and minimality

1 vote
1 answer
51 views

I need help to prove that$\int^1_0 x^{m-1}\ln^2(1-x)dx=\frac{2}{m}\sum_{k=1}^m\frac{H_{k}}{k}$

0 votes
1 answer
16 views

Flawed reasoning somewhere when calculating the radius of convergence for a power series

0 votes
0 answers
18 views

Estimation of Sum of Binomial Coefficients that doesn't Start from Zero

20 votes
3 answers
3k views

Is there an algebraic homomorphism between two Banach algebras which is not continuous?

0 votes
1 answer
58 views

If the integrals of $f$ over all sets in a generator are strictly smaller than the integrals of $g$, do we have $f<g$?

0 votes
0 answers
30 views

Solution of the "reciprocal of the heat equation"?

1 vote
1 answer
2k views

Probability question related to discrete random variable?

4 votes
2 answers
141 views

Not enough degrees of freedom in Euler Lagrange equation

3 votes
1 answer
44 views

$a+b\sqrt{2}>1, a^2-2b^2=\pm 1 (a,b\in \mathbb{Z}) \implies a+b\sqrt {2}\geq 1+\sqrt {2}$

0 votes
0 answers
27 views

Basic Solution to the Heat Equation

1 vote
2 answers
52 views

Prove $\frac{d}{dx} \frac{f(x)-f(a)}{x-a} \geq 0$ if $f(x)$ is convex without twice differentiability.

1 vote
2 answers
55 views

Bounding $\Vert f\Vert \Vert g\Vert$ by $\Vert wf \Vert^2 +\Vert w^{-1} g\Vert$

0 votes
1 answer
66 views

What is the cardinality of the set of total functions from $ℕ$ to $ℕ$ that satifistifed $ \left| \{n\in\mathbb{N}:f(n)\neq n \} \right|<\aleph_0$?

0 votes
0 answers
14 views

Cohomology ring of Eilenberg-MacLane spaces in field coefficients

0 votes
1 answer
186 views

Reference for theorems in Hirsch

0 votes
0 answers
52 views

Notation for the set $\{[x, \infty) : x \in \mathbb{R}\}$?

1 vote
1 answer
205 views

If the quotient of an ideal is principal, is the original ideal principal?

4 votes
2 answers
229 views

Showing $\int_{-1}^{1}\ln \left( \frac{x+1}{x-1} \right) \left( x - \sqrt{x^2 - 1} \right) \, dx=\frac{\pi^2 + 4}{2}$

0 votes
3 answers
116 views

What is the correct term for maximal/minimal "thickness" of convex hull in ℝ³?

2 votes
3 answers
137 views

The convergence of this series: $\sum\limits_{n=2}^\infty {1\over n^{\log n}}$

4 votes
1 answer
1k views

High-order antiderivatives of the Weierstrass P-function

2 votes
1 answer
24 views

Why is Aut(Griess algebra) discrete?

4 votes
2 answers
236 views

Show that $\frac{a^2}{b^2-2b+2024}+ \frac{b^2}{c^2-2c+2024}+ \frac{c^2}{a^2-2a+2024} \geq \frac{3}{2023}$

3 votes
0 answers
42 views

Approximating powers of elements on the unit circle

5 votes
3 answers
100 views

Contour Integration yielding wrong result

7 votes
2 answers
163 views

Name for topology generated by the standard open sets of reals and every point that isn't zero.

0 votes
0 answers
44 views

An interesting combination problem concerning the connectivity of subgraphs

7 votes
1 answer
149 views

Seeking a Purely Formal Power Series Solution

1 vote
1 answer
38 views

Proving $(a\times b)+(b\times c)+(c\times a)$ is perpendicular to plane $ABC$

-1 votes
2 answers
31 views

Simple paths in a graph

3 votes
0 answers
75 views

A trigonometric maximum problem involving trigonometric constraints

0 votes
2 answers
1k views

Maximum number of codewords

0 votes
2 answers
2k views

Equivalence Relations: x~y if and only if {x,y} ⊂ X or {x,y} ⊂ (Y\X)

0 votes
0 answers
28 views

Whether we can get energy estimate $d\|X\|^2+2\|X\|_{H^1}^2 dt=2(X, B dW) +{\rm Tr}(BB^*)dt$ of a weak solution of stochastic differential equations?

1 vote
0 answers
10 views

Intuition for fractional Sobolev norm

-2 votes
0 answers
35 views

What does stability guarantee in a system

3 votes
0 answers
80 views

Finding the integer part of a sum

4 votes
1 answer
111 views

Find a fundamental unit by using the continued fraction

2 votes
0 answers
22 views

An integral inequalities involving the Bernoulli polynomials

5 votes
1 answer
54 views

Uniformization Theorem and Non Existence of Family of Elliptic Curves over Riemann Sphere

1 vote
1 answer
232 views

Determine if the series $\frac{\ln(n)^3}{n}$ is convergent or divergent.

0 votes
1 answer
38 views

Given a functional equality prove that the function is never $0$

1 vote
1 answer
46 views

Proposition 12 Corollary 1, Section 5.6 of Hungerford’s Algebra

0 votes
0 answers
14 views

Interpreting roots of multiplicity greater than 1 in characteristic polynomial in generating functions

24 votes
7 answers
31k views

Why is log-of-sum-of-exponentials $f(x)=\log\left(\sum_{i=1}^n e^ {x_i}\right)$ a convex function for $x \in\mathbb R^n$?

1 vote
0 answers
43 views

Set dual with half-spaces

-1 votes
1 answer
2k views

Non-degenerate distribution

2 votes
1 answer
61 views

von Neumann-Numbers in Second Order ZFC with Full Semantics - Eliminating Non-Standard-Numbers

5 votes
3 answers
10k views

Definition of correspondence

0 votes
0 answers
16 views

Two example of non-$\omega$ models in Kunen.

1 vote
0 answers
21 views

Proof of Paley-Wiener Theorem

7 votes
4 answers
182 views

Largest Area Triangle in the Vesica Piscis

5 votes
2 answers
132 views
+50

Problem 237 "Mathematical Quickies:270 Stimulating Problems with Solutions" Particle Movement

0 votes
0 answers
97 views

How to construct a graph H (with the least number of nodes) that has a subgraph that is isomorphic to each graph in a given set?

0 votes
0 answers
12 views

Finding the least squares solution of a linear system based on a QR factorization

0 votes
0 answers
18 views

Is it possible to calculate the effective rate/cost from multiple rates?

0 votes
0 answers
10 views

Showing existence of symplectic transformations preserving a quadratic form

0 votes
1 answer
36 views

Conditional expectation - alternative expression

1 vote
0 answers
27 views

Bounded solutions of nonlinear third-order ODEs

1 vote
0 answers
38 views

What condition on an abelian variety ensures that the associated formal group has integral coefficients?

1 vote
0 answers
129 views

Putnam 1987 Algebra Question

1 vote
1 answer
32 views

What is the limit of the alternating series $F(z)=\sum_{n=1}^\infty(-1)^n z^{T_n}$ as $z\to1$ for a sequence $T_n\sim cn$?

1 vote
0 answers
18 views

Optimization of eigenvalue of matrix with discrete variables

1 vote
0 answers
37 views

Special case of sifting property of dirac-delta at singularity.

0 votes
1 answer
29 views

Estimation of the the maximum relative error

1 vote
0 answers
29 views

Computing the root of a polynomial that has the lowest imaginary part

-2 votes
0 answers
27 views

How to verify whether a graph under some given conditions cannot be labeled through distance magic labelling?

0 votes
0 answers
20 views

How to permute the rows and cols of a matrix to maximize the set of pivots?

0 votes
0 answers
9 views

Optimizing a Complex Project-Employee Assignment Function (Pure nonlinear 0-1 programming)

1 vote
0 answers
71 views

What is $\sum_{k=1}^{\infty}\frac{(-1)^k}{\sqrt{(a k)^2+x^2}}$?

0 votes
0 answers
22 views

Spinor representation for indefinite signature

14 votes
6 answers
46k views

Why does the volume element in spherical polar coordinates contain a sine of the zenith angle?

2 votes
2 answers
105 views

Autocorrelation of Binary Random Variable

-2 votes
0 answers
38 views

What strategies can I follow to find the counterexample of an invalid categorical reasoning?

-1 votes
0 answers
12 views

what is called this sub space $ H^{1}_{0,p} $

1 vote
1 answer
33 views

Commutation formula in spherical coordinates

4 votes
1 answer
109 views

How to prove $\sum_{n=0}^\infty (-1)^n f_n=-\frac{1}{2i}\int_{c-i\infty}^{c+i\infty}\frac{f_z}{\sin(\pi z)}dz$ in the sense of Borel summation?

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