Benefactor

Benefactor

First bounty you manually award on your own question.

Awarded 5653 times.

Find connected closed subgroup of $(\mathbb C,+)$

Awarded yesterday

metaverse

3659 bronze badges

How to show $\frac{1}{\delta} \mathbb{P}[ \sup_{t\leq s \leq t+\delta} |X(s)-X(t)|\geq \epsilon] \leq \eta$?

Awarded yesterday

Cantor_Set

8514 silver badges16 bronze badges

Prove that points $E, H,$ and $F$ are collinear

Awarded yesterday

ZNatox

759 bronze badges

What is wrong with my proof on elementary prime gaps?

Awarded 2 days ago

mertunsal

4274 silver badges17 bronze badges

Hamilton cycle on chessboard

Awarded 2 days ago

Bakugany

456 bronze badges

Prove that the $n$th term of a sequence whose $(m-1)$th differences are $1,2,...$ is the number of regions in $\mathbb{R}^m$ made by $n-1$ hyperplanes

Awarded May 17 at 23:08

Carefree Xplorer

6661 silver badge14 bronze badges

Showing that if a closed set is not convex, then there exists values such that $A \cap (x,y) = \emptyset$

Awarded May 17 at 15:27

algevristis

50916 bronze badges

Order relation between cohomological dimensions of open orientable manifolds

Awarded May 17 at 15:08

Michael jordan

3242 silver badges8 bronze badges

Continuous-time Markov chains: system with components in parallel and enough repairmen. How to calculate availability?

Awarded May 16 at 22:17

Alfonso_MA

358 bronze badges

Metric tensor for resulting manifold defined at coordinate $x$ of n-dimensional manifold $\mathcal{M}$

Awarded May 16 at 22:17

Bruno Henrique Peixoto

3262 silver badges13 bronze badges

Oblique projection onto an intersection along to a sum of vector spaces.

Awarded May 15 at 21:55

William M.

6,1471 gold badge7 silver badges21 bronze badges

Prove that is is not possible to define the connective $\land$ in terms of $\lnot$ and ↔

Awarded May 15 at 12:48

Arthurios

337 bronze badges

What is the relationship between the vector fields of conjugate flows?

Awarded May 15 at 6:42

MRicci

1,61811 silver badges18 bronze badges

Exchanging derivatives and integrals with the delta function

Awarded May 14 at 22:27

Asterix

5572 silver badges12 bronze badges

MLE for uniform distribution

Awarded May 14 at 18:18

Tanamas

1,4504 silver badges12 bronze badges

Fourier tranform of signum in several dimensions

Awarded May 14 at 14:16

bs_math

9032 silver badges10 bronze badges

Prove that there is at most one root between two stationary points

Awarded May 11 at 15:10

ettolrach

5111 bronze badges

Multi-dimensional Dirichlet-Dini criterion for Fourier series

Awarded May 10 at 14:51

AlephBeth

1,2579 silver badges15 bronze badges

Remainder of Taylor's Theorem using random variables

Awarded May 10 at 5:51

iggykimi

3373 silver badges14 bronze badges

Definition of "Bias" in Machine learning models

Awarded May 9 at 23:36

Daniel

656 bronze badges

Extensions by Adjoining elements and Extensions by quotient of a Principal Ideal

Awarded May 9 at 3:35

user93353

3592 silver badges16 bronze badges

Importance Sampling: What is the role of the target distribution $p(x)$ in Monte Carlo integration?

Awarded May 8 at 1:48

Gumbercules

735 bronze badges

How many ways can you permute elements of a 2D matrix so that every element is adjacent to its original position?

Awarded May 7 at 20:56

ghiufhe

756 bronze badges

Are there any problem books with solutions for an elementary business statistic course?

Awarded May 6 at 6:45

Dixon

417 bronze badges

Construct a solution of Laplace/Poisson problem with a non constant gradient jump

Awarded May 5 at 15:55

bobinthebox

791 silver badge10 bronze badges

Prokhorov metric can be extended to all finite Borel measures?

Awarded May 5 at 7:35

Analyst

1,1551 gold badge2 silver badges11 bronze badges

Level curves and critical points

Awarded May 4 at 17:06

CAMILO JOSE CANCIO MEZA

17312 bronze badges

Condition for isomorphism of $R$-module homomorphism.

Awarded May 2 at 12:57

andrew

4012 silver badges17 bronze badges

How to understand Eigenvalue/Eigenvectors of matrices, without considering linear transformations

Awarded May 1 at 19:12

Amin Shn

1731 silver badge7 bronze badges

Circumference of a circle using integral representation of Dirac delta

Awarded May 1 at 19:12

dapias

1851 silver badge13 bronze badges

Show $\sum^M_{i=1}a_i/\sqrt{a'_{i-1}}\leq(\sqrt2+1)\sqrt{a'_M}$ for non-negative integers $a_i$ with $a_n\leq a'_{n-1}=\max\{1,\sum^{n-1}_{k=0}a_k\}$

Awarded May 1 at 16:36

Keio203

5031 silver badge8 bronze badges

Generating function for a given sequence [closed]

Awarded May 1 at 10:10

Alexandr Tenson

94 bronze badges

Calculate maximum affordable property value for given capital, taking stamp duty into account

Awarded Apr 30 at 19:36

HappyDog

10110 bronze badges

Show that, if $t_{3n}=x$, $t_{3n+1} = y$ and $t_{3n+2} = z$ for all values of $n$, then $p^3+q^3+3pq-1=0$

Awarded Apr 29 at 22:08

LearningCHelpMeV2

41310 bronze badges

An easy question about the separability of $L^p(X,\mathcal{A}, \mu)$ space, where $p\in [1,+\infty)$

Awarded Apr 29 at 7:41

NatMath

1819 bronze badges

General argument to argue $T$ is an isomorphism from its matrix.

Awarded Apr 29 at 5:01

Andrey Yanyuk

6512 silver badges15 bronze badges

Possibility that all lights $\mathbf{X}=(X_1,X_2,\cdots)$ turn off again with every time turn a light with its number $n\sim\text{geom}(\frac{1}{2})$.

Awarded Apr 28 at 14:51

Ho-Oh

7743 silver badges22 bronze badges

Vector in skew coordinate system to cartesian coordinates

Awarded Apr 27 at 10:35

Charles Tucker 3

636 bronze badges

Limiting Distribution with Successive Transformations

Awarded Apr 26 at 12:33

dsmalenb

2511 silver badge11 bronze badges

monotone functions agreeing with Holder functions on a large set

Awarded Apr 25 at 10:26

lukanz

417 bronze badges

Piecewise differentiable version: Total variation expressed as an integral

Awarded Apr 24 at 11:33

TheOutZ

3563 silver badges10 bronze badges

Rotation of 3 circles in square

Awarded Apr 24 at 3:55

Pawel

797 bronze badges

How is this cube root continued fraction generated?

Awarded Apr 21 at 22:49

Carl Witthoft

2752 silver badges11 bronze badges

Specific instance of Mellin Inversion

Awarded Apr 21 at 3:21

Steven Creech

1,2064 silver badges16 bronze badges

Algorithm puzzle: How to define a frame of animation involving a string of lights that scroll with realistic motion trail and arbitrary velocity

Awarded Apr 20 at 20:26

Nerdy Bunz

157 bronze badges

Optimal Poincare constant (with constraints)

Awarded Apr 20 at 20:06

Fei Cao

2,3061 gold badge4 silver badges21 bronze badges

Uniqueness of Fokker-Planck solution

Awarded Apr 20 at 18:47

Guarfield

838 bronze badges

Inequality of Caratheodory function and its primitive

Awarded Apr 19 at 20:30

KrzysztofB

841 silver badge9 bronze badges

Statistical method of giving an upper estimate for $\|f\|_2^2$ from a data

Awarded Apr 19 at 18:07

Atvin

3,6721 gold badge12 silver badges32 bronze badges

Entropy of fair but correlated coin flips

Awarded Apr 19 at 15:16

puelmato

16511 bronze badges

Existence of joint optimal coupling

Awarded Apr 18 at 13:48

Tyler6

1,0679 silver badges20 bronze badges

Solve a triangle given one angle of the median, and a side and an angle of its external triangle

Awarded Apr 17 at 22:11

e_ne

815 bronze badges

Proof verification: conditional distribution of integral of brownian motion

Awarded Apr 17 at 12:15

SimonCello94

2931 silver badge11 bronze badges

Showing the polarization of (complex) quadratic form is sesquilinear. [duplicate]

Awarded Apr 16 at 19:51

IGY

7951 silver badge10 bronze badges

Corollary 1.5 in Eisenbud's Commutative Algebra

Awarded Apr 15 at 14:48

stillconfused

4722 silver badges12 bronze badges

Prove that $f(x,y)+f(y,z)\ge f(x,z)$ where $f(x,y)=\sqrt{x\ln x+y\ln y-(x+y)\ln(\frac{x+y}2)}$

Awarded Apr 15 at 3:48

JetfiRex

2,5361 gold badge1 silver badge25 bronze badges

Simple formulas for geodesics of the Poincaré disk?

Awarded Apr 14 at 12:25

M-S

2081 silver badge10 bronze badges

Given that $f$ and $g$ are homomorphisms, the implication that $f \odot g$ is also a homomorphism implies $(S, \odot)$ is entropic - why?

Awarded Apr 14 at 11:05

Prime Mover

4,03610 silver badges26 bronze badges

Use the definition of the derivative to differentiate $e^{-1/x^2}$

Awarded Apr 14 at 2:41

Clyde Kertzer

1,0081 gold badge3 silver badges25 bronze badges

Group of units of $\mathbb{Z}_3[[x]]$

Awarded Apr 13 at 3:36

happymath

5,8841 gold badge19 silver badges48 bronze badges

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