Skip to main content
Search type Search syntax
Tags [tag]
Exact "words here"
Author user:1234
user:me (yours)
Score score:3 (3+)
score:0 (none)
Answers answers:3 (3+)
answers:0 (none)
isaccepted:yes
hasaccepted:no
inquestion:1234
Views views:250
Code code:"if (foo != bar)"
Sections title:apples
body:"apples oranges"
URL url:"*.example.com"
Saves in:saves
Status closed:yes
duplicate:no
migrated:no
wiki:no
Types is:question
is:answer
Exclude -[tag]
-apples
For more details on advanced search visit our help page
Results tagged with
Search options not deleted user 88727

Algebraic varieties, stacks, sheaves, schemes, moduli spaces, complex geometry, quantum cohomology.

6 votes
0 answers
166 views

A question about the Kähler cone of $\mathbb{C}P^n\sharp\mathbb{C}P^n$

I have found in Mathoverflow Kähler cone of $\mathbb{C}P^n\sharp\mathbb{C}P^n$ that : Let $X=\mathbb{C}P^n\sharp\mathbb{C}P^n$ be the blowing up at a point. The Kähler cone of $X$ is $$\mathcal{P} …
Faith's user avatar
  • 89
-6 votes
1 answer
269 views

The Betti numbers of of $CP^n\sharp CP^n$ [closed]

I have known that $b_2(CP^n\sharp CP^n)=2$, however I have no idear how to prove this fact ! I appreciate any help for this simple question! Thank you!
Faith's user avatar
  • 89