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0 votes
1 answer
43 views

Is there a “longest-tailed” probability distribution?

2 votes
2 answers
685 views

${α⋅ \log(n)}$ is not uniformly distributed mod1 in $[0,1]$

0 votes
0 answers
5 views

Existence of a basis of lattice with successive minima

0 votes
2 answers
31 views

Calculus Made Easy Chapter 9 Example 1 p.(100)

0 votes
2 answers
41 views

Find the segment BT in the right triangle below

-1 votes
1 answer
36 views

Is it generally impossible to eliminate variables from a single multivariate equation using only algebraic operations?

-1 votes
0 answers
65 views

Is the notation $\Delta_{i=1}^n a_i = a_1 - a_2 - \cdots - a_n$ for "cumulative subtraction" a good idea?

0 votes
0 answers
9 views

Axiomatic reason why $a=4 \implies a>1$ for $a \in \mathbb{N}$

2 votes
0 answers
55 views

Brownian Motion / heat flow generated by Hodge Laplacian

2 votes
0 answers
10 views

The trace of a matrix and the radical ideal generated by its power

-1 votes
1 answer
36 views

find the quartic function of the graph

3 votes
1 answer
78 views

Why can we convert a power series of operators to a function, invert the function, and then work with its series expansion?

0 votes
1 answer
25 views

Determine if inner product over a real vector space has a certain form

8 votes
1 answer
107 views

Finding a polynomial function for alternating m numbers of odds and even numbers in sequences

1 vote
0 answers
7 views

Three vertices of a cube (not all on the same face) are P (3,4,1), Q(5,2,9) and R(1,6,5). Which point is the centre of the cube?

0 votes
0 answers
8 views

Uniqueness of solution of the operator equation $AXB=BXA$ on $B(H)$

1 vote
0 answers
5 views

Is homology distributive over addition of maps in a homotopy set?

1 vote
1 answer
20 views

Parametric Equation of a unit circle when the angle between x-axis and y-axis is not 90 degrees

1 vote
1 answer
41 views

Property of an "isotropic" function

1 vote
1 answer
60 views

Problem with the transform from ${_3F_1}$ to ${_2F_2}$

0 votes
1 answer
18 views

Proving a linear functional belongs to $L^{4/3}(0,T; H^{-1})$

1 vote
0 answers
21 views

How should we really think about subobjects in a topos?

0 votes
0 answers
10 views

Prove by providing parametrisation that $\mathbb{R}^2/\mathbb{Z}^2$ is a differential manifold.

1 vote
1 answer
2k views

Prove the orthogonal matrix with determinant 1 is a rotation

-1 votes
0 answers
28 views

Smallest non-zero singular value of product of two matrices, here is what I have tried!

0 votes
0 answers
10 views

How to define the reverse of a string recursively and then prove that : $Reverse(s*t)=Reverse(t)*Reverse(s)$?

0 votes
1 answer
21 views

How to express the originals system of equation in terms of its Groebner bases?

0 votes
1 answer
203 views

Existence of a parallel orthonormal frame $(E_1, \dots , E_n)$ along $\gamma$ such that $E_n = \dot{\gamma}$

0 votes
0 answers
29 views

What is the purpose of this limit for this mathematical question and how to solve it?

3 votes
1 answer
73 views

Looking for analysis books with in-depth treatment of Cantor Set and Cantor Function

0 votes
1 answer
16 views

Can a 3×3×3 grid graph in 3 dimension be embedded in the plane?

4 votes
1 answer
113 views

Find the extremals of the functional $ F(y) = \int_{1}^{2} \left( (y'(x))^2 x^2 + y^2(x) \right) \ dx $. Made a correction.

2 votes
2 answers
25 views

The Taylor polynomial of the function $f:\mathbb{R^2} \rightarrow \mathbb{R}$ at $(x_0,y_0)=(3,4)$ is $\ T_2(x,y)=(x-7)^2 - xy +6y^2$

0 votes
0 answers
13 views

Intuition behind the formula: $(ah, bk) = (a, b)(h,k) (\frac{a}{(a,b)}, \frac{k}{(h,k)}) (\frac{b}{(a,b)}, \frac{h}{(h,k)})$

1 vote
1 answer
10 views

Is restriction map $\text{Hom}(S_3, \Bbb{Z}/2\Bbb{Z}\times \Bbb{Z}/2\Bbb{Z})\to \text{Hom}(H_2,\Bbb{Z}/2\Bbb{Z}\times \Bbb{Z}/2\Bbb{Z})$ injective?

-2 votes
0 answers
18 views

Solve $y'-\frac{4}{\cos\left(x\right)^2}\times y=e^{cos\left(x\right)+2\times sin\left(x\right)+3x}\times \left(2\times\cos\left(x\right)+3\right)dx$

0 votes
1 answer
6 views

Question from IKMC on operations done on a fraction.

0 votes
1 answer
19 views

Prove using triangular inequality $\Vert a-b+d\Vert^2 - \Vert a-c+d\Vert^2 \leq 2 \Vert a-c+d\Vert\cdot\Vert b-c\Vert + \Vert b-c\Vert^2$

0 votes
1 answer
16 views

Can you change the base point in an iterated wedge sum?

2 votes
2 answers
255 views

How to rigorously determine whether two events are independent?

1 vote
0 answers
7 views

Theorem 2.12 in Lieberman's Second Order Parabolic Differential Equations

0 votes
0 answers
15 views

minimal cuts and pastes to make a t-shirt?

0 votes
0 answers
12 views

existance of a path that doesn't tuch an isotopy

0 votes
0 answers
23 views

Block Matrix eigenvalues

0 votes
0 answers
10 views

Getting the Harmonic Mean of Three Numbers from Arithmetic and Geometric Mean

8 votes
4 answers
31k views

Exponential of Pauli Matrices

2 votes
1 answer
30 views

Is every group the semidirect product of its center and inner automorphism group?

3 votes
0 answers
49 views

How to count the number of ordered $k$-pairings in binary strings?

1 vote
2 answers
5k views

Find the Maclaurin series for $f(x) = e^{-2x}$, and find the interval of convergence for the series.

1 vote
1 answer
49 views
+100

Determining the angle of a point in an image taken by a camera

0 votes
0 answers
9 views

Function is constant on the solution of ODE proof verification

0 votes
1 answer
135 views

What's wrong with this "counter-example" of Baire's Theorem?

0 votes
0 answers
14 views

Why everyone talks SOR and nobody JOR?

1 vote
1 answer
84 views

Condition for $\int_a^b \tan (x) \, dx=\log (\cos (a))-\log (\cos (b))$ to be valid

1 vote
0 answers
36 views

integral $ \int\ e^{\cos \left(x\right)} e^{2 \sin \left(x\right)+3x} \left(2 \cos \left(x\right)+3\right)dx$

1 vote
0 answers
11 views

How to make it more optimal?

0 votes
0 answers
8 views

Is restriction to $p$ Slylow subgroup $\text{res} : H^1(H,M)\to H^1(H_p,M)$ injective?

0 votes
0 answers
10 views

spectral theory of pseudo-differential operators of class $S^m$

-1 votes
0 answers
33 views

Australian Mathematics Competition 2008 Junior level Q25

1 vote
0 answers
20 views

why quojections are prequojections

2 votes
1 answer
40 views

Sub-gaussian norm

1 vote
1 answer
27 views

Why does the dimension of a subspace equal the dimension of the whole space minus the number of conditions on the set?

1 vote
0 answers
61 views

Evaluating an infinite series with a function

3 votes
1 answer
2k views

Order of Operations for Horizontal Transformations

-1 votes
0 answers
25 views

If 𝑋 is compact, then it is 𝑇 4

-2 votes
0 answers
30 views

A consequence of Liouville's theorem?

1 vote
1 answer
41 views

Can cardinality $\kappa$ exist where $\forall n\in\mathbb{N} \beth_n<\kappa$,$\kappa<|\bigcup_{n\in\mathbb{N}}\mathbb{S}_n|$,$|\mathbb{S}_n|=\beth_n$

0 votes
0 answers
42 views

Selecting a random set of 10 numbers between 1 and 100, what are the odds that some subset add to 100?

0 votes
1 answer
20 views

Multivariable Chain Rule with a scaled Function

0 votes
0 answers
12 views

Diophantine equation $71\cdot 6^x+x=\frac{y^2-1}{2}$

0 votes
0 answers
16 views

Area of the parallelogram formed by joining the midpoints of the sides of a quadrilateral

1 vote
0 answers
21 views

Limits of Composite Functions: Khan Academy

0 votes
0 answers
9 views

Work on Nonlinear ODE by Implicit Euler Method

-2 votes
0 answers
17 views

Mvue for Normal cdf Derivative

10 votes
1 answer
2k views

Is kernel density estimation a GMM with uniform mixture weight?

0 votes
1 answer
36 views

How would one solve $F=A[\frac{(1+i)^n-1}{i}]$ for $i$?

0 votes
0 answers
10 views

Is the Haar Measure on a Group the Only Reasonable Way to Define Randomness?

5 votes
2 answers
683 views

Amari's Generalized Pythagorean Theorem [Theorem 1.2, Information Geometry and Its Applications]

2 votes
0 answers
15 views

Which topologies admit exactly one open singleton and have more than half of the possible subsets open?

0 votes
0 answers
14 views

Lower bound needed for two independent trials have small difference

0 votes
0 answers
36 views

What's the error in this proof

1 vote
0 answers
11 views

Convergence of subsequences of a stationary stochastic process

6 votes
1 answer
100 views

A representation ring of all finite groups

1 vote
0 answers
21 views

Vector space topologies stronger than the strongest locally convex topology

2 votes
4 answers
116 views

If $a = \lim_{h \mathop \to 0} (1+h)^{1/h}$ then $\lim_{h\mathop\to0} (a^h - 1)/h=1$.

0 votes
0 answers
5 views

sign of singularity on legendrian arc in surface

1 vote
1 answer
18 views

On each box of a chessboard we write a number. Fields are congruent if the same number is on them. Variance of pairs of congruent fields.

-1 votes
0 answers
9 views

Calculating the Number of Functions from {"𝐴","𝐵"}$^3$ to {1,2,3} Modulo 7

2 votes
1 answer
26 views

Universal property of HNN extensions

1 vote
2 answers
476 views

Let $\{a_n\}$ be a decreasing sequence of non-negative real numbers such that $\lim \inf (na_n)= 0$ , then is it true that $\lim (na_n)=0$?

4 votes
1 answer
60 views
+100

Problematic limit $\epsilon \to 0 $ for combination of hypergeometric ${_2}F_2$ functions

1 vote
1 answer
62 views

Series for inverse of Euler's harmonic number integral $H_x=\int_0^1\frac{1-t^x}{1-t}dt$

7 votes
1 answer
158 views

Sangaku problem: Show that five circles have equal radii.

3 votes
1 answer
65 views

For every n-Riemannian manifold, is every local chart of nonzero radius isometrically embeddable in (n+1)-Euclidean space as Monge patch?

1 vote
0 answers
44 views

Mathematically Ranking Football Players

8 votes
1 answer
152 views
+50

Exists $x$ that is "far away" from $a_1$, $a_2\dots$, $a_n$

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