15,898 reputation
24399
bio website kcl.ac.uk/nms/depts/…
location London
age 39
visits member for 5 years, 8 months
seen Mar 24 at 20:04

Feb
20
awarded  Popular Question
Jan
21
revised How Many 4-Manifolds are Symplectic?
I was claiming that it is known that all symplectic 4-manifolds with negative Euler characteristics are blow ups of ruled surfaces. This is in fact an open question by Gompf.
Oct
21
awarded  Yearling
Sep
30
awarded  Explainer
Sep
22
awarded  Popular Question
Jul
2
awarded  Inquisitive
Jul
2
awarded  Curious
Apr
1
awarded  Enlightened
Apr
1
awarded  Nice Answer
Mar
26
awarded  Nice Answer
Dec
25
awarded  Revival
Dec
25
answered Do there exist double points on an algebraic surface in $\mathbb{P}_{\mathbb{C}}^3$ that are not rational?
Nov
24
awarded  Good Answer
Nov
20
awarded  Good Answer
Oct
21
awarded  Yearling
Sep
23
awarded  Popular Question
Sep
15
awarded  Nice Answer
Jul
8
comment Almost complex 4-manifolds with a “holomorphic” vector field
Robert, thanks for this remark, you are right that this second phrase makes no sense. I rewrote so that I it makes sense.
Jul
8
revised Almost complex 4-manifolds with a “holomorphic” vector field
added 251 characters in body
Jun
25
awarded  ag.algebraic-geometry