Mathematics
Felix's user avatar
Felix's user avatar
Felix's user avatar
Felix
  • Member for 6 years, 5 months
  • Last seen this week
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About

I am a researcher in Algebraic geometry, Homological algebra and A-infinity structures.

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All Questions Answers
Score Newest
answer
10
If rank$(T)\le$rank$(T^3)$, then intersection of range and null space of $T$ is zero
Dec 10, 2018
answer
10
Is Neighborhood an open set?
Jan 9, 2019
answer
7
is it true that surjective chain map induce surjective homomorphism between homology groups?
Nov 7, 2018
answer
6
A module $B$ is flat if Tor $= 0$
Jan 7, 2019
answer
6
Proving that $\mathrm {Hom}(X,-)$ is left exact in abelian categories
Nov 22, 2018
answer
6
Characteristic and primitive roots of unity
Jan 18, 2019
answer
5
How compatible with the ring of scalars does an algebra over a ring need to be?
Mar 30
answer
5
Definition of sphere without using a metric
Oct 30, 2018
answer
4
Terminal and Initial objects in the category of functors
Dec 10, 2018
answer
4
Is $\mathcal I$ a quasi-coherent sheaf on $X$?
Oct 29, 2018

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