chan kifung's user avatar
chan kifung's user avatar
chan kifung's user avatar
chan kifung
  • Member for 8 years, 10 months
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3 votes
Accepted

The Jacobson radical of polynomial ring

2 votes
Accepted

Restriction of Global Section

2 votes
Accepted

Dual space of $\mathbb{P}^{g-1}$

2 votes
Accepted

Restriction map of sheaf of regular functions on open sets of irreducible variety is always injective?

1 vote
Accepted

Irreducible components of a affine cone are cones

1 vote
Accepted

Saturation of homogeneous ideal

1 vote

Proving vector space

1 vote
Accepted

Does $\frac{a_1}{a_2}+\frac{a_3}{a_4}b \in B$, $Q(A) \cap B = A$, imply $\frac{a_1}{a_2} \in A$ and $\frac{a_3}{a_4}\in A$?

1 vote
Accepted

Understanding directed systems

1 vote

Derivative of Gauss map is the second fundamental form

0 votes

To prove given set is basis for topology on $\mathbb{Z}$