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1 vote
1 answer
28 views

Understanding Sutton's definition of the Projected Bellman Error

-2 votes
0 answers
16 views

Evaluate $\sum_{k=1}^{n}\frac{1}{(k+p)(k+p+q)}$

0 votes
0 answers
4 views

Clarification on Distributional Fourier Transform Equality Involving Dirac Combs

0 votes
0 answers
6 views

Generation of a projective module by fiber product of projective modules.

0 votes
0 answers
3 views

On the complexity of global fields isomorphism

4 votes
2 answers
88 views
+200

Orthant probability

0 votes
2 answers
83 views

Locally $p-$integrable function on an open set that satisfies additional condition must be $0$ almost everywhere on the open set?

0 votes
0 answers
6 views

Find surface which generated by revolving a line in $\mathbb{R}^3$

2 votes
0 answers
57 views

Equivalent Definition of Solvable Groups in Serre’s Book

0 votes
0 answers
6 views

Relative Extrema and Taylor's Theorem

-1 votes
1 answer
38 views

Troubles in solving this system of equations

1 vote
1 answer
26 views

Conditional distribution of Brownian motion given the passage time?

6 votes
1 answer
161 views

I found a pattern in consecutive squares: $(a^2-b^2)-(b^2-c^2)$ is always $2$.

0 votes
1 answer
13 views

Confusion about first order tensor transformations

0 votes
0 answers
7 views

Conductor of a character

0 votes
1 answer
64 views

Is a sub manifold of Euclidean space with the same tangent space at each point an affine subspace?

2 votes
5 answers
2k views

Shortest distance between a point and a geodesic on a sphere

0 votes
0 answers
18 views

Show: $\text{im } f \cap \text{ker } f = \{0\} \iff \text{ker } f \circ f = \text{ker } f$ for vectorspace $V$ with linear function $f:V\rightarrow V$

0 votes
0 answers
9 views

Follow-up: $h_{\omega}(s)$'s so that $\lim_{\omega\rightarrow 2\pi n} \frac{e^{-i\omega s} - 1}{e^{-i\omega} - 1} + h_{\omega}(s) = e^{-i2\pi n t}s$

2 votes
2 answers
235 views
+100

Tilted rectangle falling down

-1 votes
0 answers
27 views

Collatz conjecture and the existence of an n which satisfies a certain inequality.

0 votes
0 answers
10 views

equality of probabilities of functions of identically distributed random variables

2 votes
1 answer
54 views

Definition of compactness in terms of convergent sequences.

0 votes
0 answers
18 views

Applying Brahmagupta's Identity to system of equation

0 votes
1 answer
29 views

Sylvester–Gallai theorem Proof By Induction

0 votes
0 answers
50 views

Finding a counterexample to disprove $(e^{z_1})^{z_2} = e^{z_1 z_2}$

0 votes
0 answers
5 views

For which of the Weierstrass elliptic function periods do this equation of the modular discriminant and the Dedekind eta function apply?

1 vote
0 answers
18 views

If $f$ and $g$ are algebraic functions, is $x\mapsto (f(x),g(x))$ contained in an algebraic curve?

7 votes
1 answer
247 views

Evaluating $\int_0^{\pi } \frac{\sin (n \sigma )}{(a-\cos \sigma )^2} \, d\sigma$

4 votes
1 answer
52 views

prove a trigonometric polynomial has no more than $2n$ disctinct roots in $[0,2\pi)$

2 votes
1 answer
28 views

FEM for non linear PDEs

0 votes
0 answers
35 views

Hypercomplex Mandelbrot with Persistent Spin: Are my functions correct?

6 votes
1 answer
1k views

Finding generalized eigenvalues with linear constraints

3 votes
1 answer
95 views

Finite moment generating function near zero but not subexponential

0 votes
1 answer
17 views

How Can I Improve the Construction of this Embedding?

-1 votes
1 answer
69 views

Prove that the union of all lines containing a point A is the plane.

0 votes
0 answers
20 views

Covariant representable functors preserve monomorphisms. What about contravariant representable functors?

5 votes
2 answers
132 views

Formula involving sum of factorials

3 votes
1 answer
71 views

get dihedral angles of octahedron given all triangles

0 votes
0 answers
11 views

Line bundle on projective line

0 votes
0 answers
16 views

Complex line bundle over $S^2 \subset \Bbb R^3$.

2 votes
0 answers
49 views
+300

Easiest argument for showing that a holomorphic map with finite fibres has no essential singularity

0 votes
1 answer
44 views

Nonhomogeneous nonlinear differential equation with delta functions

-1 votes
0 answers
20 views

Integration of time dependent function

0 votes
0 answers
41 views

Show that $f$ is uniformly continuous if limit on $f(x)+f'(x)$ at infinity is finite

0 votes
1 answer
10 views

Proof that sample variance is biased in presence of autocorrelation

-2 votes
0 answers
27 views

Conjugacy of two function graphs.

0 votes
0 answers
28 views

Convergence of the double sereies

1 vote
0 answers
8 views

Subset of $X$ closed under countable disjoint unions and complements a $\sigma$-algebra?

6 votes
3 answers
545 views

$\!\bmod p\!:\ ab$ is a square except when exactly one of $a,b$ is nonsquare.

0 votes
1 answer
43 views

Can you give me a hint for the following?

2 votes
2 answers
67 views

Estimate norm of convolution operator

0 votes
0 answers
17 views

Does a constant $C>0$ exist such that for $\forall\ p\in\mathbb{C}[z_1,z_2]$ we have: $\sup_{z\in rD^2}|p(z_1,z_2)|\le C\sup_{z\in D^2}|p(z_1,z_2)|$?

0 votes
0 answers
30 views

Symmetric group representation $S_{3}$ to $\mathbb{C}^{3}$

0 votes
0 answers
21 views

Upper Bound for n-th derivative of a rational function.

12 votes
0 answers
375 views

Proof $\pi$ is transcendental without symmetric function theory

-1 votes
0 answers
15 views

Getting closest relative position of a point in a toroidal space

1 vote
1 answer
42 views

How to determine the truth value of a propositional function with free variables?

0 votes
0 answers
10 views

About the Polynomial Characterization of $C^{1,\alpha}(\bar{\Omega})$ Holder space in Lipchitz domain

1 vote
0 answers
9 views

Is the solution of the stochastic heat equation a Gaussian process?

1 vote
0 answers
21 views

The Raabe test limit existence implies the sequence goes to $0$

0 votes
0 answers
17 views

Are variables of this casino game dependent?

0 votes
0 answers
21 views

A tail bound similar to Markov inequality

3 votes
1 answer
154 views

Remarkable logarithmic integral $\int_0^1 \frac{x \log ^2(x) \log (1-x)}{1+x^2} dx$

0 votes
0 answers
9 views

Elliptic grid mapping

0 votes
0 answers
21 views

Connection between SDE and Fokker-Planck

0 votes
0 answers
15 views

Showing that the supremum of a given function is finite.

3 votes
0 answers
103 views

Uniform Følner condition and amenability

0 votes
0 answers
23 views

Interpreting $t \rightarrow 0^+$ limit of Brownian motion

76 votes
20 answers
23k views

Proof of the hockey stick/Zhu Shijie identity $\sum\limits_{t=0}^n \binom tk = \binom{n+1}{k+1}$

1 vote
1 answer
37 views

Is the following quantity is same as the numerical radius of element of $C^*$-algebra?

0 votes
0 answers
11 views

Possible ways to write conditional probability on two events

3 votes
1 answer
31 views

Solving non-homogenous differential equation $\ddot{y}+\frac km\dot{y}=-g\hat{j}$

-2 votes
0 answers
12 views

Analytic Geometry --- Sum of the slopes of lines with the angle bisector known

1 vote
0 answers
28 views

An inequality with a "Cauchy-Schwarz" flavour

0 votes
0 answers
13 views

Maximizing non-linear model input under constrained outputs

0 votes
0 answers
18 views

How do we get this approximation

1 vote
1 answer
23 views

Finding $1$-periodic $h_{\omega}(s)$'s so that $\lim_{\omega\rightarrow 2\pi n} \frac{e^{-i\omega s} - 1}{e^{-i\omega} - 1} + h_{\omega}(s) = s$

2 votes
0 answers
24 views

What extra condition on convolution can guarantee the associativity

1 vote
0 answers
13 views

How to use stationary phase method when the zero point is at infinity?

0 votes
0 answers
14 views

Calculations for waiting time probability for pure birth process

0 votes
0 answers
17 views

Derive implicit method from Butcher tableau

0 votes
0 answers
14 views

Accuracy of link prediction algorithm - Graphs

2 votes
1 answer
101 views

What exactly is a structure of a language?

0 votes
1 answer
1k views

How do I find the euler angles if I already have start and ending vector?

0 votes
1 answer
51 views

How to show that the function: $ f: (0,1) \to \mathbb{R}^3, x \mapsto (\sin(x),\cos(x),x^2 )$ is injective?

2 votes
0 answers
39 views

Question About Eigenvectors and Matrix Diagonalization

4 votes
1 answer
33 views

Can we write every $C^1$ complex function on the unit circle as the the difference of two approriate functions?

1 vote
0 answers
12 views

approximation to digamma function

4 votes
0 answers
49 views

Using Generator functions to solve following recursive formulas

2 votes
1 answer
160 views

Non-cyclic numbers that are not the order of any capable group

1 vote
1 answer
16 views

Noisy Quantum state exercise regarding trace of matrix.

-2 votes
0 answers
20 views

What are examples of nilpotent Lie groups except abelian and matrix groups?

0 votes
0 answers
17 views

Smallest triangular number with prime signature the same as A025487(n)

1 vote
3 answers
45 views

How to find missing vertex/point of a tetrahedron

0 votes
1 answer
29 views

Relationship between the quotient space of an equivalence relation and the kernel of a function

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