User skd - MathOverflow

skd

Member for 7 years
Last seen more than a month ago

sanathdevalapurkar.github.io
Harvard University, Cambridge, MA, United States

51 Answers

Score Activity Newest

31 votes

Accepted

Spectral algebraic geometry vs derived algebraic geometry in positive characteristic?

answered Jun 19, 2018 at 17:39

24 votes

Accepted

Has anyone seen a nice map of multiplicative cohomology theories?

answered Jul 11, 2017 at 16:13

17 votes

Accepted

Homology of spectra vs homology of infinite loop spaces

answered Apr 6, 2019 at 16:28

17 votes

Accepted

Unifying "cohomology groups classify extensions" theorems

answered Nov 9, 2019 at 15:40

16 votes

Accepted

Sphere spectrum, Character dual and Anderson dual

answered Oct 12, 2018 at 1:13

16 votes

Spectra with "finite" homology and homotopy

answered Nov 5, 2018 at 3:13

16 votes

Accepted

The structure of complex cobordism cohomology of the Eilenberg-Maclane spectrum

answered Nov 14, 2018 at 20:24

15 votes

Natural examples of $(\infty,n)$-categories for large $n$

answered Jul 6, 2019 at 6:39

15 votes

Difference between $\mathfrak{g}/\!/G$ and $G/\!/G$

answered Aug 3, 2022 at 23:44

11 votes

Accepted

Importance of the principal bundle in Chern-Simons theory

answered Jun 21, 2019 at 15:58

10 votes

Surveys of Goodwillie Calculus

answered Jul 4, 2019 at 22:22

10 votes

Homotopy groups of fiber products

answered Mar 29, 2019 at 2:46

10 votes

String Orientation and Level Structures

answered Feb 12, 2018 at 7:35

10 votes

Accepted

Homotopy coherent generalization of classifying space theory

answered Aug 6, 2022 at 0:42

9 votes

Which $\infty$-groupoids correspond to simplicial abelian groups?

answered Oct 16, 2019 at 0:21

9 votes

Is $\mathbb{H}P^\infty_{(p)}$ an H-space?

answered Apr 8, 2020 at 15:24

9 votes

Accepted

Lecture notes by Mahowald and Unell

answered Jul 6, 2019 at 0:33

8 votes

Accepted

The connective $k$-theory cohomology of Eilenberg-MacLane spectra

answered Mar 14, 2019 at 20:53

8 votes

Accepted

Pairing of cotangent and tangent bundles

answered Aug 1, 2022 at 18:40

8 votes

Accepted

Basic example of derived descent

answered Sep 9, 2022 at 20:00

7 votes

Definition of $E_n$-modules for an $E_n$-algebra

answered Jul 18, 2019 at 18:47

6 votes

Accepted

Universal property of $\mathbb S[z]$ and $E_\infty$-ring maps

answered Oct 3, 2019 at 1:26

6 votes

Accepted

Spectral and derived deformations of schemes

answered Sep 25, 2018 at 3:45

6 votes

Accepted

Is the mod-2 Moore spectrum a retract of a shift of its tensor square?

answered May 19, 2020 at 21:44

5 votes

Any news about equivalences of periodic triangulated or $\infty$-categories?

answered Nov 8, 2021 at 23:38

5 votes

Is there a Hopf algebra-style description of chain complexes?

answered Apr 28 at 12:04

5 votes

Accepted

commutative "subalgebras" of associative ring spectra

answered Apr 29, 2020 at 3:29

5 votes

A question about maps of spectra

answered May 20, 2019 at 19:01

4 votes

How to visualize local complete intersection morphisms?

answered Oct 12, 2018 at 14:21

4 votes

Relationship between fans and root data

answered May 5, 2020 at 16:44

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