Mathematics
Igor Sikora's user avatar
Igor Sikora's user avatar
Igor Sikora's user avatar
Igor Sikora
  • Member for 6 years, 4 months
  • Last seen this week
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536
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6k
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3
answers
24
questions
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4
Score
14
Posts
52
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1
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3
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11
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0
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6
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22
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3
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11
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Score
3
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11
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11
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Top posts
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All Questions Answers
Score Newest
question
4
Nontrivial map from manifold to real projective space
Jul 19, 2017
question
3
Why homology is dual to cohomology? Action of dual to Steenrod algebra
Jan 18, 2018
answer
3
is there a continuous surjective map $f : T \rightarrow T$ such that the induced homomorphism $f^* : H1(T,x) \rightarrow H1(T,x)$is the zero-map.
May 12, 2018
question
3
Differential on $E_2$-page in LHS spectral sequence
Sep 5
question
2
Maps from a $G$-set and graph subgroups
Aug 8, 2018
question
2
Homology of an equivariant product
Oct 16, 2018
question
2
Conditional expectation of Borel function of two independent variables
Aug 22, 2019
question
2
Conditional probability against sum of two normal random variables
Aug 25, 2019
question
2
Coefficients of (1+x)(1+2x)...(1+nx)
Oct 24, 2019
question
1
Space of 0-cycles - definition
Aug 30, 2017
Top network posts
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13
Morava K-theory of loop spaces of spheres
10
Example of non-transitive homotopy relation
9
"Oriented representation" sphere
9
Comparing cohomology of a total complex with the cohomology of semidirect product
7
Class of maps in localized category may not be a set

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