User user420620 - MathOverflow

user420620

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Member for 1 year, 5 months
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14 Questions

Score Activity Newest Views

4 votes

0 answers

174 views

are trivial fibrations of finite CW-complexes soft for normal maps?

asked Nov 24, 2021 at 8:44

4 votes

0 answers

176 views

Is $\{M\to\Lambda\}^\text{lr}$ the class of trivial fibrations?

asked Jan 5, 2022 at 18:27

4 votes

1 answer

136 views

Classifying the endofunctors of the category $\Delta$ of finite linear orders

asked Aug 17, 2022 at 9:22

3 votes

1 answer

173 views

Ehresmann's fibration theorem for CW or simplicial complexes

asked Dec 19, 2021 at 17:10

3 votes

0 answers

71 views

fibrations lifting with respect to all closed inclusions

asked Jan 9, 2022 at 9:57

2 votes

0 answers

66 views

Top coefficient of the Lagrange polynomial as average of (n-1)-st derivative

asked Oct 19, 2021 at 11:05

2 votes

0 answers

189 views

are acyclic fibrations of nice spaces absolute extensors for perfectly normal spaces?

asked Nov 15, 2021 at 18:23

1 vote

0 answers

56 views

Defining null-homotopy in terms of endofunctors in an arbitrary simplicial category

asked Aug 27, 2022 at 8:34

1 vote

0 answers

124 views

Lifting theorem for finite spaces: replacing perfect normality by normality

asked Nov 9, 2021 at 16:04

1 vote

0 answers

33 views

selection theory for normal non-paracompact domains?

asked Nov 27, 2021 at 14:28

1 vote

1 answer

164 views

Defining homotopy via endofunctors of a simplicial category

asked Aug 13, 2022 at 13:41

0 votes

1 answer

274 views

Defining homotopy via the “doubling” endofunctor of a simplicial category

asked Aug 14, 2022 at 9:47

0 votes

0 answers

73 views

Décalage and the simplicial path object

asked Sep 1, 2022 at 18:14

0 votes

0 answers

121 views

Is there an analogy between convergence and homotopical triviality?

asked Sep 7, 2022 at 14:30