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Interesting 37 Bountied Hot Week Month
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Formula relating the Riemann zeta function and Euler's constant

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How to prove that the integral $\int_0^{+\infty} \frac{\sin x^2}{1+x^p} d x \quad(p \geqslant 0)$ converges uniformly?

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123 abc
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2 votes
0 answers
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Quadrature of a random function

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Radost
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1 answer
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Partition of graph into sets A, B, C

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Matthew Spam
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1 answer
8 views

The number of passwords that can be made from 0, 1, 2, 3, 4 if 0 appears once

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5xum
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0 answers
4 views

I am confused about the approach to use in this question

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Rishan Jain
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Dense, everywhere dense, nowhere dense set definition

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Paolo Secchi
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1 vote
2 answers
22 views

Different Combinatorics Approaches don't yield the same result

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true blue anil
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1 answer
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show that $ABCD$ is a parallelogram.

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Calvin Lin
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1 answer
103 views

If $\sqrt{\frac{2}{\pi}}$ is Diophantine?

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Nilotpal Sinha
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Is the "set" of all well-founded sets not well-founded? Question about Mirimanoff paradox.

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2 answers
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Pascal gets drunk and builds his triangle. Half the time he writes $0$ instead of adding the two numbers above. What is the average of the numbers?

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Empy2
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4 views

Finding the shortest path between two points on a sphere without crossing a parallel

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brknarsy
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2 votes
1 answer
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Minimum of a continuous function on the interior of the unit ball

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Federico Fallucca
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2 answers
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bound between prime numbers

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freakish
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1 answer
10 views

Definition of deducible from $D_1, \dots, D_l$ without using concept of a deduction

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Mauro ALLEGRANZA
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42 views

Solving a second order differential equation using the method of undetermined coefficients where the right hand side is $6x^2 e^x - 4x^2 +12$

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Anne Bauval
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1 answer
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show that $\frac{a^2+c^2}{ad+bc}$ is irreducible.

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Christopher Wells
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1 answer
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n students sit around a table (n >= 5). By changing seats, the two students next to each student are different. Does this changing plan exist?

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CiaPan
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3 views

fluids: are antisymm. gradient $\epsilon(u)$ and vorticity $\nabla\times u$ related?

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l'étudiant
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5 votes
2 answers
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The meaning of an implication in an existential quantifier

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ryang
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0 answers
27 views
+50

How can we show that these processes are conditionally independent?

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0xbadf00d
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Properties of a diverging integral

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Jack London
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0 answers
9 views

How to prove that a function composition from an abstract type to itself is an identity?

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Gergely
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9 votes
1 answer
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Injective Resolutions in $\mathfrak{Ab}(X)$

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1 vote
2 answers
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Intuition behind Equivalence classes of Double Cosets

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Derek Holt
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Characterization of a coupling based on an ODE solver

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tzb
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0 answers
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Does every cyclic quadrilaterals as at least two consecutive sides such that each of these sides and the two diagonals satisfy the triangle inequality

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Nilotpal Sinha
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10 votes
3 answers
584 views

Do products preserve colimits in the category of locales?

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Zhen Lin
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3 votes
5 answers
119 views

locus of points seeing two segments with equal angles

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achille hui
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1 vote
0 answers
4 views

Is pointwise convergence of MGFs at positive points enough to determine convergence in distribution?

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mathematico
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1 vote
4 answers
91 views

Determine the number of binary strings of length $n$ that do not contain two consecutives $1$s and contain at least three consecutives $0$s

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R. J. Mathar
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6 views

Reductive but not linearly reductive groups

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Alexey Do
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6 votes
1 answer
3k views

Equation for volume of $n$-dimensional ball in $L_1$ norm with change of variables

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Simon Boge Brant
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1 answer
53 views

Reason for accurate but partial solution to Ax = b

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Zero
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4 votes
1 answer
224 views

GAP Responding Time

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Olexandr Konovalov
  • 7,086
7 votes
2 answers
678 views

Finite entropy and finite moments

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Kurt G.
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0 answers
11 views

Every well-ordered set is order isomorphic to an ordinal

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Avijit Dikey
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37 views

Conjugation invariant measure on a topological group?

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Timon Kolt
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0 answers
36 views

Annihilators & Laplace transform

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gpmath
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Domain of a function and simplification of fractions

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Átila Correia
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5 votes
1 answer
163 views

What's the intuition behind $\frac{\sqrt{\pi}\left(\frac{x}{e}\right)^{x}\left(8x^{3}+4x^{2}+x+\frac{1}{30}\right)^{\frac{1}{6}}}{x!}>1,\forall x>0$?

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Claude Leibovici
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Prove a union is a domain

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1 answer
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What would be q in ARIMA(p,d,q) model for the following discrete-time transfer function model?

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mark leeds
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0 answers
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Non-existence of power divided structure on a maximal ideal (example from Koblitz)

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Lucellia Kassel
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1 vote
1 answer
8 views

Harmonic and homogeneous function

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Guyang Huan
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1 answer
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Proof that $\sum_{j=0}^{m} \binom{m}{j}\beta^{j}(1-\alpha)^{j}(1-\beta)^{m-j} = (1-\alpha\beta)^{m}$

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geetha290krm
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6 votes
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155 views

If $\sum a_n$ is divergent , $b_n \uparrow \infty $ then $\Sigma a_n b_n $ is divergent?

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smalldog
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Characterization of the rank of a Lie algebra

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Questions about the characteristic property of the free vector space

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qqq123
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Problem of Infinite/Arbitrary Intersection in Topology

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epsil0ndelta
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20 views

Property of an ODE solution.

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Hyperbolic PDE friend
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3 votes
1 answer
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Show tangent cone and linearized fesible directions of this set

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0 answers
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Proving an identity involving four definite integrals of $\frac{1}{1-x^3}$

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Blue
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2 votes
3 answers
896 views

Solving the recurrence relation $T(n) = (n+1)/n*T(n-1) + c(2n-1)/n, T(1) = 0$

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Cesareo
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2 votes
0 answers
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Determining whether a certain class of algebras is a quasi-variety

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Carlyle
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0 answers
7 views

Prove that $\left(\mathcal{G}(V), d_{H}\right)$ is complete.

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Ann
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0 answers
36 views

Logic behind pivoting, and minimum ratio in the Simplex method.

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jiten
  • 4,602
3 votes
1 answer
170 views

Conditions under which a tetrahedron's circumcenter lies in its interior or exterior

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Max
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0 answers
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Is it valid to prove the midsegment theorem by using a similarity argument

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Fana Voyler
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1 answer
31 views

Existence of eigen vector

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Azouaou HADIOUCHE
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0 answers
54 views

Proof of the Asymptotic Bound for the Definite Integral $\int_0^{\theta} \sin^n x \, dx$ for $\theta \in [0, \pi]$

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Ivan Sonder
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-1 votes
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9 views

precaculus-algebra (the difference between their consecutive terms is always a Fibonacci numbers)

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footballer_math
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2 votes
0 answers
51 views

The asymptotic expansion of the partial sums of a divergent series

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Gary
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3 votes
1 answer
17 views

Surjectivity of the gradient of a convex function

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daw
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4 votes
2 answers
408 views

Why is "If $Γ ⊨ ¬ψ$, then $Γ ⊭ ψ$" false?

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Daniel Hwang
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2 votes
0 answers
67 views
+100

Extension of the Equality Case for Functions in the Cauchy-Schwarz Inequality

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Jotadiolyne Dicci
  • 294
4 votes
1 answer
252 views

Doubts in Silverman's AEC Chapter 3 Prop 1.5

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Viktor Vaughn
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2 votes
1 answer
2k views

Reduce the payoff matrix using (weakly) dominated strategies

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1 answer
33 views

How would I create an equation given 2 variables and an output?

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Ѕᴀᴀᴅ
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1 answer
28 views

Using Totient Function to find the probability 2 numbers are coprime

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Robert Israel
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2 votes
1 answer
27 views

Variable transformation from quasiconvex to convex optimization problem

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Neto Menoci
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What is this question on embeddings asking me to prove (I don't anyone to actually solve the question for me)?

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Nate
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7 votes
4 answers
210 views

Sylow $2$-subgroup Mathieu Group $M_{24}$

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Jyrki Lahtonen
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1 vote
0 answers
10 views

unique shortest paths form a tree

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govindah
  • 304
0 votes
1 answer
21 views

Show, by example, that for fixed nonzero elements a and b in a ring, the equation ax = b can have more than one solution.

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user317176
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0 votes
1 answer
32 views

Find all value of people in a group that $3^k$ people are known

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Calvin Lin
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2 votes
0 answers
38 views

Definition of Cocategory

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Saikat
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1 vote
0 answers
13 views

Expected depth of random tree which randomly select the parent node for every node.

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wly09
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2 votes
1 answer
24 views

Calculating the minimum surface area of a $1$dm thick cork sheet to float in water and support a $70$kg person, if cork's density is $0.24$ g/cm$^2$

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Blue
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1 answer
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Determining the General Solution of System of Two Linear Equations

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Iqazra
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0 answers
15 views

Can someone help explain the singularities in this surface?

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DingleGlop
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25 views

What are the key differences between approximation theory and measure theory?

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Hughie Phan
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2 votes
1 answer
28 views

Bayesian disease probabilities

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Graham Kemp
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3 votes
0 answers
50 views

Can computer algebra system check if the splitting field of two polynomials is same?

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Learner
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0 answers
11 views

Domain of pmf for Poisson random variable

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Sam Y.
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23 views

Canonical form of a Hamiltonian function

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CJH-ZJNU
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0 votes
1 answer
76 views

Does $y\in[0,\:1]\implies y\in f((-1,\:1])$?

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Wallace Wyatt
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0 answers
14 views

Asymptotic proportion of integers with at least $k$ prime factors

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Tejas Rao
  • 1,950
1 vote
0 answers
27 views

Fritz John ODE Exercise Interval Of Existence

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QuantumINF0
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1 vote
0 answers
17 views

Beginner Linear optimization problem - Simplex method

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Billqaz3
  • 149
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2 answers
68 views

Does $\sum_{k\geq 1} e^{-\frac{k^{q}}{\sqrt{\log k}}}<\infty$, where $0<q<1?$

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Gary
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0 answers
15 views

Computing basis for tangent space of circle

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algebroo
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6 votes
0 answers
38 views
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Relation about line picking on $n$-sphere and $n$-ball

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Alex Ravsky
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1 vote
2 answers
60 views

Replacing $x$ in Functional Equation

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ConMan
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48 views

Rank condition in matrix powers

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