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1 vote
0 answers
12 views

Find the pdf of $Y=\frac{X}{X+1}$

0 votes
0 answers
7 views

Sequencing of a group with certain second element

0 votes
1 answer
238 views

Fundamental solution of heat equation in a ball with homogeneous Dirichlet boundary condition

0 votes
0 answers
3 views

Compute inverse of a special 2 by 2 block matrix.

12 votes
1 answer
405 views

Prove $\int_0^\pi\arcsin(\frac14\sqrt{8-2\sqrt{10-2\sqrt{17-8\cos x}}})dx=\frac{\pi^2}{5}$.

0 votes
0 answers
9 views

Applying Dynkin's $\pi$-system lemma for almost sure equivalence of random variables

0 votes
0 answers
3 views

Is this function differentiable? (Error in the notes?)

2 votes
0 answers
36 views

Monotone Class Theorem to Prove Density of Classes of Functions, with Example

2 votes
2 answers
83 views

Number of ring homomorphisms from $\mathbb{Z}[x]/(x^{2}-px)$ to $\mathbb{Z}$ .

5 votes
0 answers
102 views

$f(n)$ is the number of groups of order $n$. $f(a)\cdot f(b)\leq f(a\cdot b)$?

-3 votes
0 answers
36 views

Isn't this the most computationally efficient representation of all numbers? part II

2 votes
0 answers
11 views

Dudley's inequality: Sending $\delta$ to $0$

1 vote
0 answers
12 views

Show that there exists a Lebesgue integrable function on $\mathbb{R}^d$ such that $\lim_{k\to\infty} f_k(x)=f(x)$.

4 votes
1 answer
118 views

What is the $\inf$ and $\sup$ of the area of quadrilateral given its sides length?

0 votes
1 answer
1k views

Show that two straight lines through the origin, which makes an angle of

-3 votes
0 answers
20 views

Why is the magnitude of the derivative of the arc length parameterisation = 1

1 vote
1 answer
30 views

Find values of $a,b$. such that a matrix is diagonalizable

0 votes
0 answers
9 views

unsure of my solution to Tao Analysis I 4th ed 3.5.2 (axiomatic set construction, cartesian products, power sets)

1 vote
1 answer
43 views

Variation of Birthday problem with n people and exactly t pairs sharing the same birthday

0 votes
0 answers
6 views

Concatenation of $f$-related vector fields/tangent vectors

0 votes
0 answers
20 views

About the continuity of this function

1 vote
1 answer
115 views

Help needed with an integral.

5 votes
1 answer
373 views

If $f^2(b) - f^2(a) = b^2 - a^2$, then the equation $f'(x)f(x) = x$ has at least one root in (a, b).

2 votes
1 answer
902 views

Stability of Finite Difference schemes.

4 votes
1 answer
56 views

Book recommendations for Combinatorics for Computer Science Students

1 vote
1 answer
25 views

Parallel planes

1 vote
0 answers
22 views

Find a set of generators for $F'.$

2 votes
2 answers
26 views

Turingmachine for decision of mathematical conjecture

0 votes
0 answers
15 views

Backwards Euler on System of Equations

1 vote
1 answer
41 views

Holding points are absorbing

0 votes
0 answers
7 views

Polynomial Kernel For Minimum Maximal Matching Problem

1 vote
2 answers
48 views

Finding angles in a convex quadrilateral, given only the lengths and angle between opposing sides

3 votes
0 answers
15 views

Example of CW-complex with $G$-action, which is not $G$-CW-complex

1 vote
0 answers
28 views

Deformation invariance of cohomology and Chern classes

2 votes
1 answer
88 views

Probability that all bins have at least 1 black ball when n black balls and N-n white balls are randomly partitioned into m equally sized bins?

0 votes
0 answers
24 views

Constructing most powerful test

0 votes
0 answers
6 views

Cofibrant replacement in coarse model structure onG-spaces

2 votes
2 answers
49 views

Integral inequality with specific condition

0 votes
1 answer
25 views

Is there a specific series for the summation or atleast how to find its sum?

2 votes
1 answer
85 views

Finding $(x,y)$ closest to $N$ points

0 votes
0 answers
28 views

In layman's terms, what are curl and divergence?

1 vote
1 answer
25 views

Finding the dual of a convex problem with inequality constrains

1 vote
1 answer
17 views

$2^{\mathcal{O}(k)} \cdot n^{\mathcal{O}(1)}$ algorithm to break graphs $\mathcal{F}$ in $G$ with vertex deletion.

1 vote
1 answer
9 views

Searching for an optimal multiple + offset decomposition.

2 votes
1 answer
17 views

Why is the subgroup of the adelic image $E_{/\mathbb{Q}}$ open?

4 votes
1 answer
28 views

Integral inequality with exact values of a function

2 votes
0 answers
24 views

Approximation of a non differentiable function

3 votes
1 answer
92 views

When is $a^x + b^x \equiv a + b \pmod{n}$?

1 vote
1 answer
2k views

Turing Machine for comparison

3 votes
1 answer
45 views
+50

Reformulation of Hasse's Theorem for elliptic curves

1 vote
1 answer
29 views

Hodge-star operator forms of type $(p,q)$.

0 votes
0 answers
15 views

Fundamental Group and Cartesian Product

0 votes
1 answer
21 views

Is there any way to compact the propagation of uncertainty formula in terms of vectors?

0 votes
0 answers
10 views

The cone generated by a finite set of points is a polyhedron

2 votes
1 answer
45 views

Defining (co)homology groups of sequential spectrum

-2 votes
0 answers
28 views

Minimum win rate needed to get even

2 votes
1 answer
38 views

Does $X_nY_n=\mathcal{o}_{p}(\beta_n)$ hold?

0 votes
1 answer
19 views

$H^i\left(BO_m ; \mathbb{Z}_2\right) \cong H^i\left(B O_n ; \mathbb{Z}_2\right)$ for $i \leq m$ and $i \leq n.$

0 votes
0 answers
14 views

Consider $x_0 \in X$ an infinite set with a basis for the topology as given below. When is it first, second countable and separable

0 votes
0 answers
9 views

confusion on understanding how calderon zygmund decomposition

1 vote
0 answers
34 views

What is the exact asymptotic behavior of $f(x)>0$ such that $\int_c^\infty \frac{1}{f(x)}dx$ converges?

1 vote
1 answer
25 views

Percolative process distribution not equivalent to coupon collector problem distribution

6 votes
2 answers
1k views

ABC is a triangle, right-angled at B. And it is inscribed in the parabola $y^2=4x$. Find the minimum length of AC.

2 votes
1 answer
103 views

Reconciling uniform integrability definitions and their relation to tightness

0 votes
0 answers
9 views

Dlt pair is log canonical.

0 votes
0 answers
18 views

Prove that a symmetric set of bilinear equations has only symmetric solutions.

1 vote
0 answers
10 views

Looking for a solution to a 2-dimensional recurrence relation with a floor function in GF(2)

1 vote
0 answers
23 views

Has there been research on definability predicates, just like there has been research on truth predicates?

0 votes
0 answers
11 views

Measure transport by a random matrix

-1 votes
0 answers
19 views

How to prove one to one correspondence between A(S) and A(T)?

1 vote
1 answer
19 views

a small doubt in the proof of the quantitative form of the prime number theorem

0 votes
1 answer
20 views

Proof that the increasing sequence of integer indices that define a subsequence is larger than the argument of the sequence

4 votes
1 answer
114 views

Convolution theorem: proof via integral of Fourier transforms

1 vote
1 answer
20 views

Degree 1 projective subvarieties are linear

1 vote
1 answer
30 views

UMVUE of $\mathbb{E}[X^2]=\lambda^2 + \lambda$ where $X\sim\mathrm{Pois}(\lambda)$.

1 vote
0 answers
16 views

UMVUE for $\rho$

3 votes
1 answer
20 views

Further explanation wanted on 'double Gaussian elimination' to triangularize a matrix.

0 votes
0 answers
9 views

Queues wait for other queues: A communication problem

3 votes
0 answers
68 views

Evaluate $\int_0^\infty\frac{dx}{1+x^2}\prod_i\arctan a_ix$ (product of arctangents and Lorentzian)

0 votes
0 answers
20 views

Right adjoint of the forgetful functor from involution algebras

0 votes
0 answers
19 views

Exponential Family with Complete Sufficient Statistic

0 votes
0 answers
7 views

Modeling scoring functions

0 votes
2 answers
39 views

Is the extension mod irreducible polynomial Galois?

1 vote
0 answers
30 views

Characterizing rational functions satisfying some properties

0 votes
0 answers
5 views

What is the spectral density matrix, in the context of vector stochastic processes

0 votes
0 answers
27 views

Can the function term of the inverse function of such kind of elementary functions be read or calculated from its function term?

0 votes
0 answers
9 views

Hasse principle for quadratic forms vs algebraic groups

0 votes
0 answers
14 views

A function with multiple extremes from a function with a single extremum through reversible variable replacement

5 votes
2 answers
380 views

Solving master equation for binding kinetics $\frac{dp_m(t)}{dt}=a\,(N-m+1)(M-m+1)p_{m-1}(t)+b\,(m+1)p_{m+1}(t)-[b\,m+a(N-m)(M-m)]p_m(t)$

9 votes
0 answers
393 views

Proof of Binet-Cauchy identity through the polarization transformation

0 votes
0 answers
7 views

Fit t-distribution: What about DOF settings?

1 vote
0 answers
18 views

Deriving the CAPM pricing kernel from the general SDF and consumption-based kernel

2 votes
4 answers
5k views

Showing whether a matrix is diagonalizable over $C$?

-1 votes
0 answers
305 views
+50

Consequence (if true) of $\gcd(n!+1,n^2+1)=1$ for $n>1$ an integer . The Buniakowsky's conjecture.

1 vote
1 answer
32 views

Why is this set $Z$ in $\Pi_n Y_n$ closed

1 vote
0 answers
8 views

accumulation point of spectrum of one-dimensional Schrödinger operator

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