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Benefactor

First bounty you manually award on your own question.

Awarded 6085 times.

Does sequence of monomials form a Frame in $L^2[0,1]$?

Awarded yesterday

BabyWienerSpace

3308 bronze badges

A Question about Proof of Lemma 8.5.14 in Terence Tao Analysis I

Awarded yesterday

ju so

2871 silver badge11 bronze badges

Trig Function with integration

Awarded 2 days ago

JiaoCtagon

5648 silver badges17 bronze badges

A line perpendicular to a tangent curved at both ends

Awarded Sep 21 at 2:56

زكريا حسناوي

7522 silver badges15 bronze badges

Why am I wrong: counting polynomials with degree at most $d$ in $\pmod p$ using value representation

Awarded Sep 21 at 2:21

Shmuel

1,6734 silver badges12 bronze badges

Group structure of $\mathrm{O}_n(R)$ over a **ring** $R$

Awarded Sep 20 at 22:52

Gareth Ma

3,5464 silver badges23 bronze badges

$2n$ cells were marked on an infinite triangular grid, can you always find a triangle that contains exactly $n$ marked cells?

Awarded Sep 19 at 19:26

Abdulelah Altaf

438 bronze badges

How do we prove that :$\tan^2(10)+\tan^2(50)+\tan^2(70) =9$

Awarded Sep 19 at 10:27

Mostafa

77012 bronze badges

Distribution of infection time $T \mid T < \infty$ with exponential waiting times

Awarded Sep 18 at 18:51

DK2412

2971 silver badge12 bronze badges

Integral of exponential function over an $n-1$ - simplex

Awarded Sep 18 at 13:52

tinman248

837 bronze badges

Spinors in Spin Geometry

Awarded Sep 18 at 13:33

LolloBoldo

436 bronze badges

Lower bounds of poset consisting of cosets

Awarded Sep 17 at 20:27

Anonmath101

1,7982 gold badges13 silver badges28 bronze badges

Conformal mapping from a wedge to the upper half complex plane

Awarded Sep 17 at 8:11

Frederic Thomas

1009 bronze badges

The correct way to integrate the variational free-energy formula

Awarded Sep 15 at 0:25

Mzq

2041 silver badge10 bronze badges

n students standing in line are to be divided into teams and in each team appointed a captain. How many ways to do that? (I need last transformation)

Awarded Sep 14 at 0:27

thefool

1,0474 silver badges11 bronze badges

Showing that the comultiplication map $E_*E\to E_*E\otimes E_*E$ is co-associative for a flat homotopy commutative ring spectrum

Awarded Sep 12 at 20:32

isaiahtx7

579 bronze badges

intuition behind deriving the equation of a double-napped cone

Awarded Sep 10 at 10:46

John

6510 bronze badges

From Trevés - Finite order distributions in terms of Radon measures

Awarded Sep 9 at 18:21

undefined

2451 silver badge12 bronze badges

Counting the number of sequences under specific constraints

Awarded Sep 9 at 14:30

NVA

4562 silver badges10 bronze badges

Compute $\int_{\mathbb{R}^2} u_m(x) u_n(x) |x|^r dx$ with $u_n$ hermite function.

Awarded Sep 8 at 11:11

jvc

2,0015 silver badges17 bronze badges

Prove $n \rightarrow 2^+$ as $a \rightarrow 0$

Awarded Sep 8 at 3:22

WordP

4082 silver badges10 bronze badges

Prove that $AB\cdot CD\geq 2S$.

Awarded Sep 7 at 13:55

IraeVid

2,6386 silver badges35 bronze badges

Recursive finding of the number of paths in a graph.

Awarded Sep 6 at 5:55

Michał

3711 silver badge11 bronze badges

Does every sequence of group epimorphisms (between finitely generated groups) contain a stable subsequence?

Awarded Sep 5 at 13:23

TheMathematician

2158 bronze badges

An atypical special harmonic series

Awarded Sep 1 at 19:11

user97357329

4,84725 silver badges41 bronze badges

On the vanishing of the integral $\int^{n+4}_0 dt P_{\ell}\left(1 - \frac{2t}{n+4}\right)(-t+2)_{n+1}$ for $\ell \geq n+2$

Awarded Aug 28 at 18:35

a_User_with_No_namE

837 bronze badges

Parametrising a piecewise circular curve in 3d

Awarded Aug 28 at 2:36

Vishesh

2,9191 gold badge20 silver badges39 bronze badges

Is there a measure theoretic interpretation of rough path integrals?

Awarded Aug 27 at 0:51

qervert

7710 bronze badges

Finding the volume of the region bounded by xy-plane the paraboloid and the elliptic cylinder

Awarded Aug 24 at 13:05

SirMrpirateroberts

1,03313 bronze badges

Understanding defn. of compound poisson processes

Awarded Aug 23 at 21:08

algebroo

6262 silver badges13 bronze badges

The Group of Bounded Permutations

Awarded Aug 23 at 20:35

Miles Gould

39914 bronze badges

Perfect cubes form of $111...12$

Awarded Aug 22 at 21:11

Thirdy Yabata

1453 silver badges16 bronze badges

Expected number of cards to draw before first ace using stopping times?

Awarded Aug 21 at 20:52

Tanishq Kumar

6213 silver badges15 bronze badges

Help to find two sets of two linear independent vectors satisfies certain properties

Awarded Aug 21 at 9:33

ghc1997

1,1632 silver badges14 bronze badges

Using a compass of fixed opening and straightedge, what is the shortest way to find the centroid of $10$ points?

Awarded Aug 19 at 2:08

Jinyuan

2581 silver badge9 bronze badges

Awarded Aug 18 at 3:50

André Goulart

34110 bronze badges

A singular average integral

Awarded Aug 17 at 6:46

MathLearner

2231 silver badge9 bronze badges

Are complex numbers the only field that leads to the equivalence of analyticity and differentiability?

Awarded Aug 16 at 15:19

Lourenco Entrudo

1,2614 silver badges19 bronze badges

An inequality in a Lorentzian vector space

Awarded Aug 15 at 7:08

Pelota

31811 bronze badges

Showing an integrable function on $\mathbb{R}^2$ is constant almost everywhere

Awarded Aug 14 at 22:26

Dispersion

5,3511 gold badge10 silver badges30 bronze badges

Show any root of an elementary symmetric polynomial does not have positive imaginary part in all it's components

Awarded Aug 13 at 21:46

leon.fuchsler

1399 bronze badges

Scalar curvature of sum of constant curvature metrics

Awarded Aug 9 at 14:36

Math

897 bronze badges

Eigenvalue of diagonally dominant matrices

Awarded Aug 9 at 9:56

fusheng

9372 silver badges14 bronze badges

A calculus problem from electrostatics

Awarded Aug 9 at 8:16

Tomy

4291 silver badge10 bronze badges

If $a,b,c >0 : ab+bc+ca=3,$ find maximal value $\sum\dfrac{a\sqrt{a^2+2}}{a^2+3}$

Awarded Aug 8 at 10:05

Dragon boy

12314 bronze badges

A question on Beta function

Awarded Aug 7 at 16:19

Max

3041 silver badge13 bronze badges

$\sqrt{a+b+\frac{c}{ab}}+\sqrt{b+c+\frac{a}{bc}}+\sqrt{c+a+\frac{b}{ca}}+\sqrt{abc}\left(\frac{3}{a+b+c}-2\right)\ge\frac{a+b+c}{\sqrt{abc}}$

Awarded Aug 7 at 15:51

Inequality

7993 silver badges12 bronze badges

Prove $\sum\limits_{\mathrm{cyc}} \sqrt{5a+5b+8ab}\ge 3\sqrt{2}+2\sqrt{5}$ for $ab+bc+ca=1$

Awarded Aug 7 at 1:09

TATA box

9575 silver badges18 bronze badges

Prove: $\sum\frac{\sqrt{a+3}}{a+\sqrt{bc}}\ge\frac{2(\sqrt{a}+\sqrt{b}+\sqrt{c})}{\sqrt{a+b+c+1}}$

Awarded Aug 6 at 7:01

Anonymous

2331 silver badge14 bronze badges

Critical region (hypothesis testing) of minimum οrder σtatistic from shifted exponential distribution

Awarded Aug 5 at 17:16

joejoejoejoe4

2,3091 gold badge16 silver badges34 bronze badges

Circle tangent to ellipse

Awarded Aug 5 at 8:26

eirirlar

535 bronze badges

Pullback of $2$-sphere volume form via Gauss map

Awarded Aug 4 at 0:06

IsaacR24

5752 silver badges9 bronze badges

Differential equation solved by even monomials

Awarded Jul 31 at 14:56

Giulio Binosi

6173 silver badges11 bronze badges

Sequences $(a_n)$ such that $i^2+j^2=k^2+\ell^2\Longrightarrow a_i+a_j=a_k+a_{\ell}$

Awarded Jul 30 at 10:12

uvdose

1079 bronze badges

Compute ; $\Gamma=\lim_{n\to\infty} \int_{t_n}^{t_{n+1}} \frac{(f(x-t_n))^{g(t_{n+1}-x)}}{(f(t_{n+1}-x))^{g(x-t_n)}+(f(x-t_n))^{g(t_{n+1}-x)}} \, dx$

Awarded Jul 29 at 22:04

ayan

1,8972 silver badges27 bronze badges

How do I prove the "mean value property" for Helmholtz equation?

Awarded Jul 28 at 16:02

Jesus

1,5685 silver badges16 bronze badges

Approximating ODE solution with polynomial function

Awarded Jul 28 at 13:07

aquaticapetheory

837 bronze badges

What numbers have a multiple that in base 10, can be written with only the digits $2$ and $5$.

Awarded Jul 27 at 11:28

Fnark Man

1376 bronze badges

What calculus books should I use to learn more advanced calculus after Stewart's or Larson's book or Thomas' book

Awarded Jul 27 at 1:41

user 123

397 bronze badges

Is there an identity for $\sum_{k=0}^{n-1}\csc(w+ k \frac{\pi}{n})\csc(x+ k \frac{\pi}{n})\csc(y+ k \frac{\pi}{n})\csc(z+ k \frac{\pi}{n})$?

Awarded Jul 26 at 13:57

onepound

1,3538 silver badges26 bronze badges

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