314 reputation
18
bio website
location
age
visits member for 2 years, 3 months
seen Mar 25 '13 at 6:31

Jul
2
awarded  Curious
Sep
1
awarded  Yearling
Mar
6
accepted Connected reduced proper $k$-scheme
Mar
6
comment Connected reduced proper $k$-scheme
I understood. Thank you very much.
Mar
5
asked Connected reduced proper $k$-scheme
Feb
17
comment Property kept under base change and composition is preserved by products
I understood. Thank you very much for your kind help.
Feb
17
comment Property kept under base change and composition is preserved by products
Thank you for the nice hint.
Feb
17
accepted Property kept under base change and composition is preserved by products
Feb
16
asked Property kept under base change and composition is preserved by products
Jan
17
comment The set of points whose distance to a set $E$ in $\mathbb R^n $ is zero, is the same set $E$?
Yes. It is the definition of distance.
Jan
17
answered The set of points whose distance to a set $E$ in $\mathbb R^n $ is zero, is the same set $E$?
Jan
16
accepted The closed points are a constructible set?
Jan
16
comment The closed points are a constructible set?
I understood! Your proof needs the only-if part only, which is easier than the if-part. I appreciate it.
Jan
16
comment The closed points are a constructible set?
Thank you very much. But I haven't understood the property written in the second sentence. I tried to find it in Vakil's note and Hartshorne but I couldn't find it. May I have a reference or proof?
Jan
15
revised The closed points are a constructible set?
added 25 characters in body
Jan
15
asked The closed points are a constructible set?
Jan
10
comment Irreducible topological spaces covered by infinitely-many closed sets
Oh, this is easy by removing (0). Thank you.
Jan
10
asked Irreducible topological spaces covered by infinitely-many closed sets
Jan
10
comment Base of a Galois extension
Great! Thank you very much.
Jan
6
revised Base of a Galois extension
Edit2