User Nikita Kalinin - MathOverflow

Nikita Kalinin

Member for 14 years, 1 month
Last seen more than a week ago

mathcenter.spb.ru/nikaan

23 Answers

Score Activity Newest

27 votes

The number $\pi$ and summation by $SL(2,\mathbb Z)$

answered Sep 18, 2016 at 2:20

8 votes

New(?) reciprocity law

answered Jul 2, 2015 at 9:35

7 votes

Video lectures of mathematics courses available online for free

answered Mar 8, 2013 at 12:25

6 votes

Accepted

Pairing used in Lefschetz duality

answered Dec 15, 2010 at 23:58

5 votes

What is a continuous path?

answered Nov 20, 2011 at 8:30

4 votes

Polynomial contact structures on $RP^3$

answered Nov 12, 2011 at 0:02

4 votes

What is the name of a 8-regular graph on $\mathbb Z^2$?

answered Jun 22, 2023 at 6:29

3 votes

Zero sets of harmonic fucntions

answered Feb 9, 2017 at 13:02

3 votes

Best online mathematics videos?

answered Mar 8, 2011 at 21:08

3 votes

Accepted

Hypersurfaces in Toric Varieties, Help understand a proof from Mikhalkin's paper

answered Apr 5, 2012 at 20:23

3 votes

Polynomial contact structures on $RP^3$

answered Nov 14, 2012 at 18:03

2 votes

power laws emerging from the sandpile model

answered Apr 2, 2016 at 16:08

2 votes

Can one approximate "close" smooth functions?

answered Nov 16, 2011 at 20:00

1 vote

On the smooth structure of the spaces of $k$-jets

answered Nov 16, 2011 at 20:30

1 vote

Three Variable Hilbert Polynomials

answered Nov 16, 2011 at 21:08

1 vote

Upper bound on the number of generators of a local complete intersection curve in $\mathbb{P}^3$

answered Nov 14, 2012 at 17:54

1 vote

Accepted

What is the simplest way to show that a section of a vector bundle is transverse to the zero set

answered Nov 4, 2011 at 7:54

1 vote

Thom polynomial for contact algebraic structures

answered Nov 14, 2012 at 18:06

1 vote

Family of hypersurfaces in (C^*)^2 corresponding to tropical family

answered Mar 27, 2013 at 17:32

1 vote

Area of a lattice polygon in terms of its width

answered Mar 29, 2013 at 17:26

1 vote

Diameter-area ratio for affine tranformations.

answered May 14, 2013 at 15:10

0 votes

Volume in tropical geometry

answered Jun 19, 2014 at 21:28

0 votes

degenerating immersion

answered Nov 15, 2011 at 19:53