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Interesting 42 Bountied Hot Week Month
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I'm trying to understand $p$-limits in $\beta \omega$

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Irvin Enrique Soberano Gonzlez
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How is my answer wrong?

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Beatnik Dopa
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2 votes
1 answer
47 views

Probabilty of grabbing a pair of socks

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Bobas_Pett
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Modeling the area-preserving deformation of $r=a\left(1+\cos\left(n\theta\right)\right)$ into a circle of equal area centered at origin (graph incl.)

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Simon M
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Equivalence of 2 types of Airy function definition

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mohashi
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4 votes
0 answers
52 views

A daunting double integral with a simple closed form

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user97357329
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8 votes
1 answer
161 views

Approximation for square roots of the form $\sqrt{a}+\sqrt{b}\approx \sqrt{c}$

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Greg Martin
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3 votes
1 answer
123 views

Is there a winning strategy in the card removal game?

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Marie L
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0 answers
5 views

Product ideals are the kernel of what ring homomorphism?

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D.R.
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1 answer
26 views

Functional Analysis trying to show that hilbert space equals $\sum \mathbb{F} e_j$

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spinosarus123
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1 vote
0 answers
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simpler functional form for polynomial sequence related to the Bessel polynomials

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Steve
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0 answers
15 views

f_{n+1}<(\frac{7}{4})^{n}, n\geq 1.

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string_orbifold_iib
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1 vote
0 answers
49 views

Show that $\{p,\{p,\phi\}\}>0$ on $T_{\Sigma}^{*}\mathbb{R}^{n}$

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Darek_
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1 vote
2 answers
69 views

Frequentist vs Bayesian approach

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RyRy the Fly Guy
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0 answers
5 views

Trigonometric polynomial derivative upper bound

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Eulerian
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0 answers
4 views

questions about regular level set theorem and manifolds

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romperextremeabuser
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1 vote
0 answers
21 views

Right cosets of $S_3$

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Shaun
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13 views

probability generating function for hitting times

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RobPratt
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-1 votes
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10 views

Scaling an image based on XY coordinates from an arbitrary, unknown scale point

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John Doe
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0 answers
15 views

Injective object in category $\mathcal{K}$, which has an object $a$ and $\text{Hom}(a,a) = S $ is a semigroup with unit.

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C-RAM
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2 votes
1 answer
49 views

Fredholm Integral Equation of the Second Kind in $L_2[0,1]$

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Gonçalo
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3 votes
2 answers
72 views

Why is a Sylow 5-subgroup abelian?

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Shaun
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0 votes
1 answer
30 views

How to prove that a figure tiles the plane (for example certain pentagons)

Dan Rust's user avatar
Dan Rust
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3 votes
1 answer
21 views

How does this definition of Fourier transform in Fulton and Harris 3.32 relate to the usual notion of Fourier transform?

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Qiaochu Yuan
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1 vote
0 answers
24 views

A general integral equality $\int_{0}^{\infty}e^{-sx}\frac{\mathrm{d}x}{\left(1+x^{2}\right)^{a/2}}\left[s+\frac{ax}{1+x^{2}}\right]=1$

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Yuriy S
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0 answers
16 views

Pre-factors and bounds for sine transform

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user2561523
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35 views

Simple connectedness of a horizontal strip

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epi163sqrt
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8 votes
1 answer
119 views
+100

How can I smoothly connect two points on the surface of a sphere with a pair of arcs passing through the points in certain directions?

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Cirdec
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0 answers
13 views

Hyperbola at infinity in Projective space

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Rowing0914
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0 answers
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Tools to investigate unusual algebraic structure

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Dinor
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2 answers
43 views

Regarding the monotonicity through derivative

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Anne Bauval
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1 vote
1 answer
18 views

Products in the category R-Mod

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Qiaochu Yuan
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1 vote
1 answer
25 views

Laurent series for a polynomial in the enumerator

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epi163sqrt
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0 votes
0 answers
18 views

Hess' Proof of Fuss' Formula

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abc
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1 answer
39 views

How do I prove that all Jordan measurable sets in $\mathbb{R}$ are Lebesgue measurable?

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spinosarus123
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2 votes
1 answer
43 views

Is this operator always contained in the convex hull for closed sets?

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Rob Arthan
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1 vote
0 answers
46 views

Convex optimization - bound on a subgradient

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Robert W.
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1 vote
1 answer
38 views

LS estimator for the population variance

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user10354138
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2 votes
1 answer
83 views
+100

Do large sets have this specific type of self-similarity?

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abacaba
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1 answer
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Amalgamation and quantifier elimination in existentially closed structures (Theorem 7.1.3 in Hodges)

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Alex Kruckman
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51 views

"Simple" group of order $1004913$ problem, fixed point part without Burnside’s lemma

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Shaun
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1 vote
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32 views

The set of integrable real-valued functions on $X$ is a real vector space.

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JAG131
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2 votes
1 answer
42 views

I do not understand why do we divide with the k! that is used in nCk when multiplying two combinations or more combinations that has the same k value

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true blue anil
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0 answers
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How to analyze a particular service queuing model?

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Alex Kruckman
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4 votes
2 answers
683 views

If $p$ is prime and $\gcd(m,p) = 1$ show that $\gcd(m,p^k) = 1$

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Bob Dobbs
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2 votes
1 answer
37 views

Prove $\frac{a}{\sqrt{5-4bc}} + \frac{b}{\sqrt{5-4ac}} + \frac{c}{\sqrt{5-4ab}} \ge 1$ With the condition $a+b+c=3$

Jam's user avatar
Jam
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1 vote
1 answer
39 views

Levi civita to express determinant

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Digitallis
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-3 votes
0 answers
19 views

What is the answer to this question , i was getting this same but with a 4 in multiplication instead of 2

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Nome
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0 answers
32 views

Dynamic Programming: Single-Agent Problem

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SarahZ233
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1 answer
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Struve function: simplify $\mathrm{H}_n(x) - (-1)^n \mathrm{H}_{-n}(x)$ for $n=1,2,3,...$

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Yuriy S
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1 vote
1 answer
59 views

How can I calculate $\mathbf{X}\mathbf{X}^{\rm T} \mathbf{v}$ in the most effective way without storing $\mathbf{X}\mathbf{X}^{\rm T}$

John Alexiou's user avatar
John Alexiou
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3 votes
1 answer
47 views

Is there a notion of best $\mathbb{K}$-approximations where $\mathbb{K}$ is an algebraic number field?

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Danka Makabre
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1 vote
0 answers
29 views

When equivalence relation on algebra is congruence.

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Miganyshi
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0 answers
24 views

I need to prove $n^4 - 5n \geq 2n^2 -6$, for all $n≥1$ by mathematical induction.

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codervince
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1 vote
0 answers
24 views

How to find an upper bound for this question?

Alex Pozo's user avatar
Alex Pozo
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5 votes
1 answer
506 views

$3$D oriented bounding box optimization

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Cesareo
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0 votes
1 answer
18 views

Derivative of a separable function of a matrix with respect to a matrix

greg's user avatar
greg
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0 votes
1 answer
32 views

Conditional Probability that water seeps through the layer of quartzite given that pipes 2 and 3 are open

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K. Jiang
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0 answers
10 views

How to acquire the predictive distribution?

adam's user avatar
adam
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2 votes
0 answers
82 views

Compact Proof that the constant $\sum_{k=1}^\infty \frac{(-1)^{k-1}}{k.k!}$ is irrational

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James Arathoon
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0 votes
1 answer
35 views

About Non-integer Exponentiation and Graphs of Exponential Functions

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NinjaDarth
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0 votes
1 answer
27 views

If $P(X=Y)\geq 1-\delta$ and $P(Y>\alpha)\geq 1-\delta$, determine a lower bound for $P(X> \alpha)$.

BGM's user avatar
BGM
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1 vote
1 answer
21 views

Mock scalar product's nonlinearity as a derivation

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Eric Wofsey
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0 votes
0 answers
16 views

How to get orbit decomposition result?

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Hermi
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0 votes
0 answers
38 views

A hard-looking integral that's seemingly easy: $\int_{-100}^{+100}\int_{-100}^{+100}(2y+1)e^{2y\ln(x)}dxdy$

CrSb0001's user avatar
CrSb0001
  • 1,651
0 votes
1 answer
29 views

Trouble manipulating quotients in $\mathbb{N}^\times$

Michael Weiss's user avatar
Michael Weiss
  • 8,447
0 votes
0 answers
21 views

Probability Question - Random Variables

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Eric Wiehe
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0 votes
0 answers
6 views

What if the level set of Lyapunov function is disconnected? - when estimating region of attration

happyle's user avatar
happyle
  • 119
-2 votes
1 answer
48 views

(Interlude) Question for fun : What would be simplest way of proving "a presheaf isomorphic to a sheaf is also sheaf"

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Plantation
  • 2,022
0 votes
0 answers
13 views

When converting from interval to set notation, is the element equal to or greater/less than infinity?

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Ethan'ol
  • 1
0 votes
0 answers
22 views

Is the duality product of dual spaces unique?

Thede's user avatar
Thede
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1 vote
2 answers
77 views

Finding cubic residues modulo $9$

Bill Dubuque's user avatar
Bill Dubuque
  • 267k
3 votes
0 answers
20 views

Counting Permutations with Product Rule

Jessica Herlitz's user avatar
Jessica Herlitz
  • 33
0 votes
0 answers
12 views

Comparison between surface area (wax used) of an optimized regular hexagonal prism and an optimized rhombic dodecahedron (BEE PRISM)

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MathematicsEnjoyer
  • 21
2 votes
1 answer
24 views

20 cards with 4 specials split in 2 batches of 10. Whats the probability...

mjqxxxx's user avatar
mjqxxxx
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4 votes
0 answers
36 views

Uniqueness of Sturm-Liouville like problem

Paul's user avatar
Paul
  • 1,103
0 votes
0 answers
18 views

Comparing sigma-algebras generated by a random variable and its induced posterior

Y Ava's user avatar
Y Ava
  • 1
1 vote
0 answers
15 views

Let Ω ⊆ C be a subset of C. Prove that closure set of Ω is closed.

Melanie's user avatar
Melanie
  • 11
0 votes
0 answers
8 views

Can all quasiconvex functions be represented as a ratio of a convex function and a concave function?

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Lucas Gallindo
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0 votes
0 answers
26 views

How would having a codeword withweight two affect the coset priority here?

mar's user avatar
mar
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1 vote
0 answers
34 views

Are locally free modules of the same rank on noetherian scheme, globally isomorphic?

Amin.H's user avatar
Amin.H
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2 votes
0 answers
26 views

Checking consistency of minimizer given uniform convergence of its objective function

Adrian's user avatar
Adrian
  • 1,954
0 votes
0 answers
21 views

Under what conditions is $\text{in}_{<}(I)$ a reduced Grobner basis?

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user26857
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0 votes
0 answers
16 views

Strict growth and strict decrease of sequences of intervals in $\mathbb {R}^n$

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alexander muñoz
  • 13
-1 votes
0 answers
9 views

PDF of independent components

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MauroPesc
  • 1
0 votes
0 answers
7 views

Endomorphisms over direct sums and the proof of Artin-Wedderburn theorem

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Ty Perkins
  • 401
0 votes
0 answers
21 views

Question Regarding Bionomial Distribution.

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Meet Patel
  • 80
2 votes
5 answers
290 views

Prove that $(p \to q) \land (q \to r)$ is equivalent to $p \to r$

Lucas Gallindo's user avatar
Lucas Gallindo
  • 151
2 votes
0 answers
31 views

show that mean curvature equal zero or $v_p$ $w_p$ are are principle vectors

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Ted Shifrin
  • 110k
0 votes
0 answers
19 views

Term for the spectral decomposition of a matrix where the transformation matrix is a product of Householder matrices

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TobiR
  • 466
2 votes
1 answer
38 views

Maximum number of vertices with degree three in maximal bipartite planar graphs

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Misha Lavrov
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0 votes
0 answers
13 views

What branch of analysis discusses field operators?

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Lina Jane
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2 votes
0 answers
14 views

evaluate integral with the kernel of Green function (fundamental solution of Poisson equation) of infinite domain using conformal map

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Hosein Javanmardi
  • 181
-1 votes
1 answer
29 views

A problem about real analysis :L^p Space

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Barjovrille
  • 59
-1 votes
1 answer
31 views

Does $f(i)+f(n-i)$ increase as $i$ decreases from $n/2$ to 1 for any superlinear function f?

Thomas Andrews's user avatar
Thomas Andrews
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3 votes
2 answers
61 views

What is $(3 n+1)+(3 n+2)+\ldots+(5 n)+(5 n+1)=$ equal to?

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Anne Bauval
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