User Achim Krause

3 votes

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(Lower) homotopy groups from triangulations

answered Nov 27, 2022 at 21:53

3 votes

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Does $P(\exp_p(a),\exp_p(b))=0$ imply $P=0$, where $\exp_p(\cdot)$ is $p$-adic exponential?

answered Apr 10, 2023 at 7:11

3 votes

Comparion theorem between symmetric monoidal $\infty$-functor

answered Apr 28, 2023 at 6:20

3 votes

Find $a$ satisfying $x \cup_1 y = \delta a$ when $x,y \in Z^2(G,\mathbb{Z}_2)$

answered Sep 10, 2020 at 6:12

3 votes

Constructing vector bundles of specific stiefel whitney classes?

answered May 7, 2015 at 23:44

3 votes

Cohomology version of Moore space

answered Nov 27 at 10:57

3 votes

How do you prove that the series 5, 25, 625, ... can be continued forever to give a 10-adic solution to $n^2=n$?

answered Feb 12 at 21:07

3 votes

Exponent of convergence of the sequence of zeros of $e^z+z$

answered Aug 26 at 9:47

3 votes

LS category of 4-manifolds with free fundamental group

answered Jul 8 at 18:14

2 votes

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Algorithm to find a number B with same modulus as A with prime P and specific binary positions set to zero

answered Jul 10, 2023 at 8:24

2 votes

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Cohomology ring $H^*(\operatorname{SL}(3,\mathbb{Z}),\mathbb{Z}_2)_{(2)}$

answered Jun 2, 2023 at 7:01

2 votes

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Can we prove that simple polygons can always be split in half (vertex-wise) by diagonals?

answered Oct 2, 2019 at 15:25

2 votes

Characters of p-adic units

answered Aug 11, 2021 at 8:40

2 votes

L-theory of additive category

answered Aug 18, 2021 at 10:22

1 vote

Can the loops in the definition of the fundamental group be considered injective?

answered Nov 10, 2021 at 6:43

1 vote

Proving Zariski descent

answered Apr 28, 2023 at 18:46

1 vote

Exponential order of unipotent elements in an endomorphism ring of abelian groups

answered Nov 9, 2022 at 7:31

1 vote

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Induced map in k-theory by an involution

answered Sep 25, 2022 at 18:34

1 vote

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Permutation representation of a finite $p$-group

answered Aug 13, 2020 at 22:39

1 vote

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What are the solutions for discrete integers b, d to $a^b \equiv c^d \pmod p$ where $p$ is a large prime number?

answered Apr 20, 2014 at 18:25

1 vote

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on the solvable groups of order $p^aq^b$

answered Mar 9, 2014 at 22:50

0 votes

Probability of random geodesics on the half-sphere intersecting

answered Aug 31, 2015 at 14:20

0 votes

Pullback along Frobenius morphism

answered Nov 20, 2015 at 8:36

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113 Answers

(Lower) homotopy groups from triangulations

Does $P(\exp_p(a),\exp_p(b))=0$ imply $P=0$, where $\exp_p(\cdot)$ is $p$-adic exponential?

Comparion theorem between symmetric monoidal $\infty$-functor

Find $a$ satisfying $x \cup_1 y = \delta a$ when $x,y \in Z^2(G,\mathbb{Z}_2)$

Constructing vector bundles of specific stiefel whitney classes?

Cohomology version of Moore space

How do you prove that the series 5, 25, 625, ... can be continued forever to give a 10-adic solution to $n^2=n$?

Exponent of convergence of the sequence of zeros of $e^z+z$

LS category of 4-manifolds with free fundamental group

Algorithm to find a number B with same modulus as A with prime P and specific binary positions set to zero

Cohomology ring $H^*(\operatorname{SL}(3,\mathbb{Z}),\mathbb{Z}_2)_{(2)}$

Can we prove that simple polygons can always be split in half (vertex-wise) by diagonals?

Characters of p-adic units

L-theory of additive category

Can the loops in the definition of the fundamental group be considered injective?

Proving Zariski descent

Exponential order of unipotent elements in an endomorphism ring of abelian groups

Induced map in k-theory by an involution

Permutation representation of a finite $p$-group

What are the solutions for discrete integers b, d to $a^b \equiv c^d \pmod p$ where $p$ is a large prime number?

on the solvable groups of order $p^aq^b$

Probability of random geodesics on the half-sphere intersecting

Pullback along Frobenius morphism