User aglearner

8 votes

1 answer

285 views

Deformations of Hopf manifolds

asked Oct 23, 2020 at 19:18

8 votes

1 answer

272 views

Is there a "minimal" Whitney stratification of a complex hypersurface?

asked May 8, 2021 at 11:43

8 votes

1 answer

273 views

Self homeomorphism of $\mathbb CP^1$ holomorphic a.e

asked May 24, 2021 at 11:38

7 votes

0 answers

407 views

Understanding that a simplicial complex is a PL manifold via links

asked Jun 16, 2021 at 9:05

7 votes

1 answer

312 views

Real analyticity of continuous function via restriction to analytic curves

asked May 1, 2021 at 11:40

7 votes

1 answer

390 views

Paths $tg_1+(1-t)g_0$ in the moduli space of Riemann surfaces

asked May 1, 2021 at 14:09

7 votes

0 answers

132 views

Representations of $\mathbb Z^2$ in ${\rm Symp}(S^2)$

asked Dec 18, 2019 at 18:39

7 votes

1 answer

520 views

Rationally connected Kähler manifolds are projective

asked May 29, 2019 at 14:56

7 votes

1 answer

727 views

Is a smooth cubic threefold diffeomorphic to a rational threefold?

asked Dec 6, 2012 at 23:53

7 votes

2 answers

299 views

Pseudofree $T^2$ actions on spheres

asked Aug 28, 2013 at 23:19

7 votes

2 answers

2k views

The fundamental group of a $3$-manifold with a boundary of genus $>0$

asked Jul 23, 2013 at 12:07

7 votes

3 answers

1k views

Higher dimensional Bezout via Hilbert polynomials: a reference

asked Mar 3, 2013 at 18:39

7 votes

1 answer

502 views

Fundamental groups of compact manifolds with non-negative Ricci curvature.

asked Oct 24, 2012 at 11:25

7 votes

1 answer

355 views

Homotopy type of the complement to a subvariety of $\mathbb C^n$

asked May 11, 2011 at 11:16

7 votes

0 answers

543 views

Representation theory of symmetric group for dummies

asked Sep 21, 2016 at 10:28

7 votes

4 answers

841 views

Easy to state applications of dimension theory in algebraic geometry

asked Feb 21, 2014 at 12:42

7 votes

1 answer

257 views

Bimeromorphic equivalence of reduced spaces for Kähler $S^1$-actions

asked Jun 15, 2017 at 14:37

7 votes

3 answers

595 views

GIT quotients for linear representations of $SL(2,\mathbb C)$

asked Apr 4, 2017 at 15:00

7 votes

1 answer

453 views

Understanding a germ of a GIT quotient

asked Apr 10, 2017 at 20:01

7 votes

2 answers

354 views

Two embedded symplectic spheres with zero square in a symplectic $4$-manifold

asked Oct 21, 2017 at 17:13

6 votes

0 answers

270 views

Varying a $J$-holomorphic sphere in a symplectic $4$-manifolds

asked Oct 18, 2017 at 13:55

6 votes

0 answers

172 views

Does Novikov additivity hold for topological manifolds?

asked Jul 31, 2017 at 17:58

6 votes

1 answer

229 views

Bounding Taylor coefficients of $f(z)$ with $f(0)=1$, $f(z)\ne 0$ for $|z|\le 1$

asked Feb 24, 2018 at 11:42

6 votes

1 answer

405 views

Fundamental groups of hyperbolic $4$-manifolds and $\rm CAT(0)$ cube complexes

asked Jan 12, 2017 at 18:37

6 votes

2 answers

595 views

Fundamental group of a manifold with an $S^1$-action

asked Apr 7, 2014 at 23:19

6 votes

0 answers

239 views

Complex submanifolds via Kähler reduction

asked Mar 8, 2017 at 10:30

6 votes

2 answers

326 views

A bound on the top homology of a complement to a variety in $\mathbb C^n$

asked May 11, 2011 at 14:20

6 votes

2 answers

1k views

A simple minded Poincare duality for orbifolds?

asked Aug 20, 2011 at 1:21

6 votes

2 answers

1k views

Max Noether's residual intersection theorem (Fundamentalsatz): importance and applications

asked Jan 16, 2012 at 0:58

6 votes

1 answer

399 views

Little puzzle about intersections of Schubert cells.

asked Nov 1, 2012 at 1:05

Stack Exchange Network

209 Questions

Deformations of Hopf manifolds

Is there a "minimal" Whitney stratification of a complex hypersurface?

Self homeomorphism of $\mathbb CP^1$ holomorphic a.e

Understanding that a simplicial complex is a PL manifold via links

Real analyticity of continuous function via restriction to analytic curves

Paths $tg_1+(1-t)g_0$ in the moduli space of Riemann surfaces

Representations of $\mathbb Z^2$ in ${\rm Symp}(S^2)$

Rationally connected Kähler manifolds are projective

Is a smooth cubic threefold diffeomorphic to a rational threefold?

Pseudofree $T^2$ actions on spheres

The fundamental group of a $3$-manifold with a boundary of genus $>0$

Higher dimensional Bezout via Hilbert polynomials: a reference

Fundamental groups of compact manifolds with non-negative Ricci curvature.

Homotopy type of the complement to a subvariety of $\mathbb C^n$

Representation theory of symmetric group for dummies

Easy to state applications of dimension theory in algebraic geometry

Bimeromorphic equivalence of reduced spaces for Kähler $S^1$-actions

GIT quotients for linear representations of $SL(2,\mathbb C)$

Understanding a germ of a GIT quotient

Two embedded symplectic spheres with zero square in a symplectic $4$-manifold

Varying a $J$-holomorphic sphere in a symplectic $4$-manifolds

Does Novikov additivity hold for topological manifolds?

Bounding Taylor coefficients of $f(z)$ with $f(0)=1$, $f(z)\ne 0$ for $|z|\le 1$

Fundamental groups of hyperbolic $4$-manifolds and $\rm CAT(0)$ cube complexes

Fundamental group of a manifold with an $S^1$-action

Complex submanifolds via Kähler reduction

A bound on the top homology of a complement to a variety in $\mathbb C^n$

A simple minded Poincare duality for orbifolds?

Max Noether's residual intersection theorem (Fundamentalsatz): importance and applications

Little puzzle about intersections of Schubert cells.