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Interesting 49 Bountied Hot Week Month
4 votes
2 answers
123 views
+50

Theorem concerning step function

Varun Vejalla
  • 7,952
2 votes
0 answers
81 views
+50

Constrained Optimization using FFT to find function

Matthew James
  • 91
1 vote
1 answer
98 views
+50

Are there any simpler transformations for the elliptic integral of the second kind $\text E(z,m)$ than these?

Tyma Gaidash
  • 7,689
2 votes
0 answers
42 views
+350

Bounding $\widehat{G_{m+1}}\ast\widehat{H_m}(0)$ when $\frac{1}{2}\leq\widehat{H_m}(0)\leq\frac{3}{2}$ and $H_m,G_{m+1}$ are smooth over $\mathbb{T}$

Epsilon Away
  • 758
15 votes
1 answer
312 views
+50

Finding $\int_{0}^\infty f(u)du$ where $f$ solves $\frac{\pi}{2}f(u) = \frac{1}{1+u^2} - \int_{0}^\infty \frac{f(v) dv}{4+(u-v)^2}$

fedja
  • 16.7k
4 votes
0 answers
38 views
+50

Lifting the quotient homogeneous space to the group and define the measure

taylor
  • 369
9 votes
0 answers
159 views
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Closed form of $\begin{align}\int_{0}^{\infty}x^{1-x^{2-x^{3-...}}}dx\end{align}$.

Dylan Levine
  • 173
4 votes
0 answers
99 views
+100

Marjorie Senechal (2011): "The question of packing tetrahedra is still unsolved" Is it still unsolved in 2023?

uhoh
  • 2,000
3 votes
1 answer
121 views
+250

Use algebra to decide whether a continuous solution exists

Dimitris Melas
  • 36
2 votes
1 answer
70 views
+300

Level-set formulation of inverse mean curvature flow (IMCF)

Anthony Carapetis
  • 33.7k
30 votes
1 answer
823 views
+300

Does any uncountable complete theory have exactly two countable models?

Noah Schweber
  • 228k
4 votes
0 answers
97 views
+50

The statistical average of a continuous value: $\overline{O} = \int O(x) \rho(x) dx$, but coordinate invariant

Anon21
  • 2,385
1 vote
0 answers
137 views
+50

How to explain it ? Difference between two continued fraction very small

Erik Satie
  • 3,353
1 vote
0 answers
33 views
+100

Expected idle time of a server in an M/M/N queue

zxzx179
  • 1,433
2 votes
0 answers
26 views
+100

Indecomposability of a factor of two indecomposable modules

dmk
  • 523
4 votes
0 answers
126 views
+50

Is the set of linear transformations without unit norm eigenvalues dense?

Derivative
  • 1,160
2 votes
0 answers
207 views
+500

How to prove or disprove algebraic independence of exponential numbers?

IV_
  • 4,825
5 votes
1 answer
154 views
+50

How can I decide if this regular graph is toroidal?

MJD
  • 63.5k
7 votes
0 answers
130 views
+100

Hopf invariant of $f\colon S^{11}\to S^6$ is even

How
  • 714
5 votes
1 answer
118 views
+50

Half spaces are measurable

Daniele Tampieri
  • 8,813
4 votes
1 answer
171 views
+50

What triplets satisfy this condition using floors?

C614
  • 406
4 votes
0 answers
93 views
+50

Generalizing Hall's marriage theorem

MathManiac
  • 1,133
-1 votes
1 answer
53 views
+100

Minimum of the Gamma/factorial function using dichotomy and Lagrange inversion theorem .

Erik Satie
  • 3,353
6 votes
0 answers
140 views
+50

Witten's proof of Wick Formula of QFT

Integral fan
  • 605
2 votes
0 answers
28 views
+200

If $\varphi$ is a normal faithful semifinite weight, is $\eta_\varphi(\mathfrak{n}_\varphi\cap\mathfrak{n}_\varphi^*)$ dense in $\mathfrak{H}_\varphi$

Andromeda
  • 605
-2 votes
0 answers
83 views
+50

order property vs. antisymmetric property

user122424
  • 3,899
-2 votes
0 answers
63 views
+100

Correct definition of Jacobi variety

masquerade
  • 4,295
1 vote
0 answers
52 views
+100

Number of real solution of expression containing definite integral

Priti Bisht
  • 197
0 votes
1 answer
64 views
+100

Calculating Prize Line Expectation Part 2

Daisy Day
  • 31
1 vote
1 answer
50 views
+50

Coupon collector's problem with unequal probability and calculating the number of expected rare coupons

joriki
  • 227k
0 votes
0 answers
42 views
+100

If $\alpha$ is a complex root of $X^6 + X^3 + 1$, find all homomorphisms $\sigma: \mathbb{Q}(\alpha) \rightarrow \mathbb{C}$.

Math_Day
  • 951
1 vote
0 answers
36 views
+100

Finding characteristic curves for second order differential linear operator.

Lucas Giraldi
  • 386
11 votes
0 answers
154 views
+200

Least eccentricity vertex can't have the most average distance

Bob Langefeld
  • 121
2 votes
1 answer
72 views
+50

Two definitions of continuous differentiability

Rodvi
  • 434
2 votes
0 answers
70 views
+100

Name for integer "quotient" rounded up (ceiling) instead of down (floor), and its negative or complementary "remainder"

Sambo
  • 5,223
1 vote
0 answers
59 views
+50

Proof: $S = \{[2m]_{1000} : m = 0, 1, ... , 500\}$ is an Ideal of $R = \mathbb{Z}_{1000}$

spooleey
  • 276
1 vote
0 answers
29 views
+50

Fast numerical integration of an integral of the form $\int_{[0,\:1)^d}\left|f\right|\:{\rm d}\lambda^{\otimes d}$

0xbadf00d
  • 13.5k
4 votes
2 answers
346 views
+100

The Gamma function is holomorphic on V

Andromeda
  • 605
6 votes
0 answers
141 views
+50

Gödel on the “True Reason” for Incompleteness

neddo
  • 111
0 votes
0 answers
67 views
+50

Estimating expected value of a multivariate normal distribution given a linear constraint

Matt Frank
  • 371
1 vote
0 answers
25 views
+100

probabilistic interpretation of eigenvalues of the Laplacian

neveryield
  • 663
2 votes
1 answer
52 views
+100

When is the tangent space of a fiber product the fiber product of the tangent spaces?

Cranium Clamp
  • 2,005
1 vote
1 answer
86 views
+100

Simple ODE question(solution verification). A student learns 150 Chinese characters each month and forgets 10% of what they have learned

Adamrk
  • 885
3 votes
1 answer
61 views
+100

Power series for functions that have $e$ as a root

Jair Taylor
  • 15.1k
2 votes
0 answers
35 views
+50

How to fit the Expectation?

sam wolfe
  • 2,998
2 votes
0 answers
45 views
+50

Simplifying a subindex equation

sam wolfe
  • 2,998
5 votes
1 answer
217 views
+100

Closed-form solutions to $x''+\frac{k}{m}\ x+\mu\ g\ \text{sgn}(x')=0$

Joako
  • 1,093
1 vote
1 answer
60 views
+50

Why homogeneity of an equation is preserved even when we change variables?

dxiv
  • 71.6k

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