User Yadeses - Mathematics Stack Exchange

Yadeses

Member for 4 years, 3 months
Last seen this week

6 Questions

Score Activity Newest Views

1 vote

1 answer

118 views

Prove if $f : \mathbb{R} \to \mathbb{R}$ is a continuous function and $\lim_{x\to\pm\infty} f(x) = 0$, $f$ has a global maximum and minimum.

real-analysis maxima-minima

asked Jan 24, 2019 at 18:40

0 votes

1 answer

90 views

What are the tangent planes of the sphere B, which contains the line L?

spheres solid-geometry

asked Jan 21, 2018 at 23:14

2 votes

1 answer

54 views

An isomorphism between two notations of the dihedral group.

group-theory permutations group-isomorphism dihedral-groups

asked Aug 26, 2021 at 21:09

0 votes

1 answer

51 views

How to know if people ever meet when they are walking two different routes at the same time which intersect.

modular-arithmetic

asked Aug 26, 2018 at 22:23

0 votes

0 answers

18 views

Why are polynomials (sometimes?) contained in the domain of the generator for brownian motion?

brownian-motion semigroup-of-operators

asked May 17, 2021 at 10:01

0 votes

0 answers

14 views

Is there a unique relation between a time-homogeneous markov process and its semigroup?

stochastic-processes markov-process semigroup-of-operators

asked Jun 8, 2021 at 12:16