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0 votes
0 answers
32 views

Direct Product of Finite Groups

-1 votes
0 answers
27 views

Trifocal "Conicoids"?

0 votes
1 answer
20 views

Trouble understanding the tangent plane of a surface

1 vote
1 answer
60 views

Why $2d^2$ = $n^2$ implies that $n$ is a multiple of $2\,$?

0 votes
0 answers
8 views

2d threshold satisfying problem with minimum number of elements

1 vote
1 answer
23 views

Show the equality of two congruence transformations (geometry)

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0 answers
3 views

Operator reversibility

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0 answers
33 views

Are there "lie fields" other than $\mathbb R$ and $\mathbb C$?

2 votes
1 answer
24 views

On the product of analytic functions

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1 answer
28 views

Is $E= [1,\infty)$ connected in $\mathbb{R}$ with the usual metric

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0 answers
3 views

Find the variance of the number of turns in a die tossing game

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0 answers
3 views

Uniqueness of solution to SDE

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0 answers
5 views

Are these two definitions of cofibration the same?

3 votes
1 answer
19 views

Generalization of Chinese remainder theorem to non-normal subgroups

5 votes
2 answers
63 views

Computing integral that involves Dirac Delta Function

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0 answers
20 views

Extended real line is Hausdorff.

1 vote
1 answer
13 views

Hrushovski construction - Infinite descending chaing of finite graphs with decreasing $\delta_\alpha$-dimension

-1 votes
1 answer
33 views

Probability of student being shy

-1 votes
0 answers
14 views

Given N buckets, X row, and Y column, I want to distribute items such that each bucket is as uniform as possible

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0 answers
3 views

Differentiation commuting with integral in counting measure vs. general measure

-2 votes
0 answers
17 views

Transient and steady-state response of Third order differential equation

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4 views

Calculate needed average to satisfy demand

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0 answers
16 views

How find y from $x^2 y^3 d x+x\left(1+y^2\right) d y=0$

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0 answers
4 views

The basis of special linear Lie algebras over finite fields

5 votes
3 answers
6k views

Calculate the coordinates of the third vertex of triangle given the other two and the length of edges in the cheapest computational way

0 votes
0 answers
18 views

Name for a Power Series with Binomial coefficient

2 votes
1 answer
20 views

Is the integral closure of a Gorenstein domain still Gorenstein?

-1 votes
0 answers
26 views

Nicer form for $\Psi_s(t)=\sum_{n=0}^\infty[\frac{d^n}{dt^n}\frac{\csc^2\pi t}2][\frac{d^{s-1-n}}{dt^{s-1-n}}\frac{(t+s-1)!}{t!}{s\choose n+1}]$?

0 votes
0 answers
8 views

Optimization of quadratic forms

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0 answers
17 views

Find largest $k$ given $n$: one number is chosen from each interval $[nj,n(j+1)),\ j\in\{1,\ldots,k\};$ no three of these numbers form a $3$-term A.P.

1 vote
1 answer
34 views

Let $θ\sim\text{Unif}([0,2\pi])$ and define $X_k=\sin(kθ)$, $k\in\Bbb N$. Show that $(X_1+⋯+X_n)/n→0$ a.e

0 votes
0 answers
7 views

Problem with giving a sequence of a mixture Problem

0 votes
1 answer
14 views

function with summable derivative is uniformly continuous?

0 votes
0 answers
6 views

Dead-zone Modeled as Switching System

0 votes
0 answers
7 views

Show that limit of non-linear recursively defined sequence which is not monotone exists

3 votes
1 answer
39 views

Continuity with composition functions

0 votes
1 answer
24 views

Non vanishing differential form

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0 answers
10 views

Convergence of median and convergence in distribution

0 votes
0 answers
22 views

Mayer Vietor Sequence for DeRham Cohomology

1 vote
1 answer
48 views

What is the differential of the logarithm on a matrix Lie group?

5 votes
0 answers
10 views

What modifications to the axioms of primitive recursion would restrict its expressivity to that of Presburger arithmetic?

0 votes
0 answers
6 views

Convergence of discrete measures

-1 votes
0 answers
5 views

Prove that a linear mapping is non singular iff the image of an independentset is independent

3 votes
1 answer
16 views

What's the fourier transform of xT with T being a tempered distribution

10 votes
1 answer
182 views

Evaluating $\int_{-\infty}^\infty \frac{\ln{(x^4+x^2+1)}}{x^4+1}dx$

1 vote
0 answers
19 views

Question about covariant derivative of the vector field

0 votes
0 answers
5 views

Can any sample proportion less than 0.5 be used to support a claim that the population proportion is greater than 0.5?

2 votes
0 answers
30 views

find all triples $(x,y,z)$ of positive integers such that $x\leq y\leq z$ and $x^3 (y^3 + z^3)=2012(xyz+2)$

1 vote
0 answers
16 views

How would I go about finding an explicit formula for c given a and b?

2 votes
0 answers
14 views

Convolution of distribution and test function: continuity at the distribution variable

2 votes
0 answers
18 views

$ P( \omega) $ in not an inductive set

0 votes
0 answers
22 views

Two questions regarding nonmeasurable sets of real numbers.

1 vote
1 answer
28 views

Trouble on proof step of: $\lim_{n\rightarrow+\infty}a_n=+\infty \Longrightarrow \liminf_{n\rightarrow+\infty}a_n=+\infty$

1 vote
0 answers
18 views

Net convergence in initial topology

1 vote
0 answers
13 views

Decompose lattice rectangle into lattice pentagons (KöMaL A.344 April 2004)

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3 answers
3k views

How to solve quadratic recurrence relation

1 vote
0 answers
8 views

Does the sequence of iterated derivatives of $2^x$ converge uniformly to the zero function on any interval that is bounded above?

1 vote
0 answers
29 views

Let $(X, d)$ be a separable metric space. Then the space of all real-valued bounded uniformly continuous functions on $X$ is separable

8 votes
2 answers
975 views

Condition for a compact set to be the support of a continuous function?

0 votes
0 answers
11 views

Question about curvature and torsion of a manifold.

1 vote
1 answer
62 views
+50

Solution for $\Delta u = 0$ for which $u(\cos(t), \sin(t)) = t(2\pi - t) \ , \ 0 \leq t \leq 2\pi$

0 votes
1 answer
10 views

Examine for convergence

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0 answers
24 views

When is the differential entropy nonnegative?

0 votes
0 answers
10 views

Need help with an example of Beppo Levi's Theorem

2 votes
1 answer
38 views

A weird theorem of existence

0 votes
0 answers
20 views

Complex analysis background for Ordinary Differential Equations.

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0 answers
12 views

The measurability of a function w.r.t. the Borel $\sigma$-algebra generated by an initial topology

1 vote
0 answers
16 views

Finding out how long it would take to crack a password

1 vote
0 answers
6 views

Vector valued higher order ODE with scalar product

0 votes
0 answers
18 views

How many different chaotic attractors are there?

0 votes
0 answers
10 views

Commutative algebra reference as a prerequisite to algebraic curves.

1 vote
1 answer
16 views

Give an example of a ring $A$ and a multiplicative set $S$of $A$ such that $S^{-1}A$ is a PID (but not a field), but $A$ is not a PID.

0 votes
0 answers
14 views

Graph theory: shortest path without crossing edges

0 votes
0 answers
10 views

Any symplectic manifold is a Poisson manifold.

0 votes
0 answers
10 views

generating multivariate poisson dataset

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0 answers
4 views

Bounding energy of products

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0 answers
11 views

Integral of a gradient over a closed loop

1 vote
0 answers
12 views

How to find the joint gaussian pdf using the linearity of expectation?

3 votes
0 answers
54 views

When do we generally use $x=\frac{1-t}{1+t}$ substitution?

4 votes
0 answers
31 views

Let $A_N$ be the subset of $\{1,\ldots,\ N\}$ that has no $3$-term A.P's and maximises $\sum_{n\in A_N}\frac{1}{n}.$ Does $A_N\to A003278?$

0 votes
0 answers
3 views

Deriving variational inference for a simple example

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0 answers
16 views

Independence of the Euler characteristic of the chosen triangulation

2 votes
1 answer
76 views

How to compute $\partial^2_{n,n} u(x_0)$ for $x_0\in\partial\Omega$?

0 votes
0 answers
12 views

Why do we care about Method of averaging

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0 answers
9 views

Computing order of meromorphic function on hyperelliptic Riemann surface

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0 answers
2 views

Reference of automorphism with respect to locally nilpotent derivations

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0 answers
5 views

If $N\models M=\cup\{M_\beta:\beta<\omega_1\}$ and $N\prec H(\theta)$ is countable, why is it true that $M\cap N=\cup\{M_\beta:\beta<N\cap \omega_1\}$

0 votes
0 answers
9 views

why is pushforward of a kähler current kähler?

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0 answers
5 views

How can a general automorphism of the unit disc be parabolic or hyperbolic?

0 votes
0 answers
7 views

Show that $\frac{1}{1+f(n)} = 1 +\mathcal{O}(g(n))$ for $f(n) = \mathcal{O}(g(n)), g(n) = \mathcal{o}(1)$

3 votes
2 answers
22 views

Why probability distribution is defined on event space and not on sample space?

1 vote
0 answers
18 views

Approximate solution of the heat equation

0 votes
0 answers
7 views

Is a multivariate, continuous, increasing, real-valued function of a continuous random vector a continuous random variable?

6 votes
2 answers
107 views

Roots of $\cos{x}+\cosh^2{x}$

1 vote
0 answers
6 views

Uniformly approximing powers of decreasing exponentials by $e^{-t}P(t)$ with $P$ polynom

2 votes
1 answer
40 views

Continuity of Hilbert transform

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