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0 answers
3 views

Compute intersection with box in toroidal domain

0 votes
1 answer
13 views

Question about problem 2.35 of PRML

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1 answer
6 views

Example of a function in $L^{\infty}-L^p$

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0 answers
14 views

Prove the following theorem:

1 vote
1 answer
20 views

Finding the least number of terms.

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0 answers
13 views

Exercise on Divisors

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1 answer
45 views

$u_t + a(x) u_x = 0, u(x, 0) = f(x)$ for $x \in \mathbb{R}$ given an example of $a(x)$ for which the solution of the Cauchy problem is not unique.

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0 answers
33 views
+100

Transformation between space partitions

1 vote
1 answer
56 views

Pullback of an exterior differential system

-1 votes
0 answers
7 views

planar geometry - proportionality

4 votes
1 answer
20 views

Number of ways to distribute $n$ identical balls into $k$ identical boxes such that no box contains more than $m$ balls?

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0 answers
4 views

How to find geo-location of a point which is nearby other 2 points of which geo-locations are known?

2 votes
2 answers
32 views

Plotting a Parabola using a pencil, graph book and a calculator

3 votes
2 answers
1k views

$\int _{C} (z^3 + 2z +{\bf Re} z)\,dz$ where C is a triangle of vertices $z=0$, $z=1+2i $ and $z=1$.

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0 answers
3 views

Statistics for the Pareto distribution

2 votes
1 answer
43 views

Degree of $F(x+y)$ over $F=k(x^3,y^3)$ in characteristic $2$

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1 answer
31 views

Other methods of solving this question using calculus or something like that

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0 answers
3 views

Proving the Finite-Additive Extension Theorem for Measures on Algebras

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1 answer
7 views

Posterior Mean and Distribution of a Binomial and Beta Probability

4 votes
1 answer
47 views

Farkas & Kra Riemann surfaces Proposition III.5.10

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1 answer
19 views

What are the conditions for a function $\phi(x,y)$ to have directional derivative at a point $(a,b)$ but $\phi$ is not differentiable at $(a,b)$?

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0 answers
25 views

Prove that the Lebesgue function is continuous

4 votes
1 answer
61 views

If translation of function is smooth then function is smooth

-1 votes
1 answer
22 views

What is the formula for a function that can generate the following graph?

3 votes
1 answer
37 views

The space of direct decompositions

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0 answers
16 views

Example of a finite category without pushouts or pullbacks

1 vote
1 answer
15 views

Why is the law of large numbers defined as the probability of a limit rather than the limit of probability?

0 votes
1 answer
17 views

Dot product proof in a quadrilateral

5 votes
1 answer
84 views

Proving that Thomae's function is Riemann integrable

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0 answers
5 views

Show if an linear programming in standard form has an optimal feasible solution, then there exists an optimal BFS

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1 answer
25 views

For all $m, n, d \in \Bbb Z^+$, if $m \mid n$ and $d \nmid n$ then $d \nmid m$. This is true or false?

-2 votes
1 answer
12 views

Demonstrate that if a is a minimum in f, every directional derivative will be positive

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3 views

A priori estimate of solution of Poisson equation

1 vote
0 answers
20 views

Manipulating boolean algebra expression to prove xy+ x'z=(x+z)(x'+y)

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0 answers
53 views

How do foci of an ellipse work?

4 votes
0 answers
31 views

To prove stronger form of mathematical induction

1 vote
0 answers
5 views

Lower semi continuity of the Closure

-1 votes
0 answers
13 views

$x^tAx$ and $x^tA^2x$ has same argument of maximum?

1 vote
0 answers
24 views

What conditions must hold to have a valid integral transform and associated inverse transform?

5 votes
0 answers
43 views

Converse of Dynkin's formula

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0 answers
14 views

Solving $2$ dimensional inverse Fourier transform

0 votes
1 answer
21 views

How to understand the period in submodules

1 vote
2 answers
26 views

Computing conditional expectation of a function of $X$ given $X \leq t$

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0 answers
5 views

Behaviour of the nearest point to $x$ on the convex set when $x$ goes to infinity

2 votes
0 answers
45 views

Laplacian comparison Huybrechts

1 vote
0 answers
10 views

Limit behavior of discounted sum of Bernoulli.

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0 answers
9 views

Potential singular at a circle

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0 answers
5 views

minimize this integral via Euler–Lagrange equation

1 vote
0 answers
12 views

Is there a solution/some method for finding the solution to $y'' + ay' + bf(x)y=0, y(0)=y_0, y'(0)=m$ or such?

0 votes
2 answers
35 views

Finding the sum of a progression.

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0 answers
5 views

Bounding the supremum of averages over the sets $\{1,...,m\}$ by a constant times the supremum of averages over sets $\{2^{m-1},...,2^m-1\}$

2 votes
1 answer
81 views

Adjacent Basic Solutions of a Standard Polyhedron

5 votes
3 answers
43 views

Equating determinants using properties

1 vote
0 answers
9 views

Bounded linear functionals on TVS and continuity

6 votes
0 answers
76 views

Solve for real x: $(\sqrt[5]{x+2}-\sqrt[5]{2x+1}-\sqrt[5]{4x+7})^5=3x+8$

1 vote
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37 views

Is my Proof of Pythagorean Theorem by Trigonometry correct?

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3 views

Service probability for M/M/c queue where reneging time depends on service time

1 vote
0 answers
10 views

How to find a Lyapunov function for this non-linear system?

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0 answers
3 views

Find a Markov operator $P$ such that $Pf^+$ and $Pf^-$ do not have disjoints supports

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0 answers
3 views

Discreet fourier transform of a set of gaussians

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0 answers
4 views

How to solve a Euclidean projector to map a matrix to a valid Laplacian?

1 vote
1 answer
117 views

Domain of $x^n$

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0 answers
10 views

Difference between tangent spaces of O(n, R) and SO(n, R)

1 vote
1 answer
15 views

How can I justify this step in bounding expectation of Brownian motion?

-1 votes
0 answers
11 views

Regular triangle prism

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14 views

Transformation from a Wiener process to another stochastic process

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0 answers
14 views

How can we simplify this product of arc-cos equation?

1 vote
0 answers
45 views

A question related to (odd) perfect numbers

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1 answer
14 views

Find the equation of the tangent line tangent to the given point on the following curve.

1 vote
1 answer
14 views

the compactness of a disc under product topology

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0 answers
6 views

Express polynomials as sum of monomials of affine functions

2 votes
1 answer
21 views

Maximum value of an expression by equation

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0 answers
20 views

Integral involving Fourier transform of 1/|X|

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0 answers
5 views

Correspondence between set of proba measure with square-integrable density and set of adapted processes

1 vote
0 answers
20 views

Closed form for the zeros of $2\sin\left(\frac{\pi}{6}-\frac{\sqrt{3} x}{2} \right)-e^{-\frac{3x}{2}}$

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0 answers
7 views

notation of sample in classification context

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31 views

Sieving stage of Quadratic Sieve

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7 views

Can two total orders be compatible with each other without them being equal?

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0 answers
24 views

Let $U=\langle(1,0,1)\rangle$. Determine the equations of the orthogonal subspace of $U$

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0 answers
17 views

If $P \implies Q \implies R$ holds, does it follow that $\lnot R \implies \lnot Q \implies \lnot P$ is also true?

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13 views

CalculatIng exterior derivative and hodge dual in Minkowski spherical coordinates

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6 views

Isomorphism between two elliptic curves over extension field.

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7 views

Analytic continuation of integral representation as Cauchy principal value

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8 views

Transform bivariate unit distribution to disc uniform distribution

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0 answers
7 views

Does the Galois group act transitively on extensions of absolute values?

8 votes
4 answers
148 views

How do I evaluate this limit without l'hopital’s rule?

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0 answers
15 views

What is the probability that the circumscribed circle $B$ of three randomly selected points within a circle $A$ will be included in circle $A$?

1 vote
0 answers
18 views

Envelope curve of a fixed length segment

1 vote
0 answers
13 views

Using Weil $e_m$-paring and Frobenius morphism prove that $E[m] \subseteq E[ F_{q^d}]$ .

2 votes
2 answers
43 views

What are these symbols called?

1 vote
0 answers
12 views

The validity of $∀x(Bx↔∃yRxy)↔\big(∀x∃y(Bx→ Rxy)∧ ∀x∀y(Rxy→Bx)\big)$

1 vote
1 answer
52 views

parameter value in the solution of $\int_0^\pi\arctan\bigl(\frac{\ln\alpha\sin x}{x}\bigr)\mathrm{d}x$

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20 views

Analytic solution to recursive functions

1 vote
0 answers
25 views

Understanding the proof of the Springer correspondence

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0 answers
18 views

Brownian motion reflection principle under the general stopping time

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32 views

Positive Definite Operators

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