QiL'8

15,249 reputation

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visits	member for	1 year, 8 months
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	15,249 reputation	bio	website		visits	member for	1 year, 8 months
733 badges		location			seen	May 26 at 20:04

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Jan 1	comment	The property of line bundle corresponding to birational map Note that $L$ doesn't define a unique morphism to a projective space. You need to specify finitely many global sections which generate $L$.
Jan 1	reviewed	Leave Open Are there real-life relations which are symmetric and reflexive but not transitive?
Jan 1	answered	Proof of $X(\mathcal{O}_K)\simeq X_K(K)$
Dec 31	reviewed	Reject suggested edit on quaternions tag wiki
Dec 31	answered	Axioms for the Exterior Derivative
Dec 31	reviewed	Approve suggested edit on ring-theory tag wiki excerpt
Dec 31	reviewed	Approve suggested edit on ring-theory tag wiki
Dec 31	comment	Kernel of a specific morphism And the notation $\mathbb Z_p$ for $\mathbb Z/p\mathbb Z$ is even worst !
Dec 31	reviewed	Leave Open In a proof that is reliant on proven theorems, does one assume the reader's familiarity with said theorems, or explicitly include their logic?
Dec 31	reviewed	No Action Needed Showing that $\sum \frac{\log n}{n^x}$ converges for $x>1$
Dec 31	reviewed	Leave Open Universal symbol for “represents”?
Dec 31	answered	What do we lose if we only consider quasi-projective varieties?
Dec 31	revised	Examples of extensions of a perfect field which are not separably generated added 578 characters in body
Dec 31	comment	Examples of extensions of a perfect field which are not separably generated @MakotoKato: ah I had "geometrically reduced" in mind !
Dec 31	reviewed	Approve suggested edit on Kernel of a specific morphism
Dec 31	answered	Examples of extensions of a perfect field which are not separably generated
Dec 30	awarded	Nice Answer
Dec 30	reviewed	Leave Open Abel's Theorem on Convergence of Power Series
Dec 30	revised	Why is the rank of $f_\ast L$ the degree of $f$ added 45 characters in body
Dec 30	comment	What do we lose if we only consider quasi-projective varieties? Separated algebraic varieties are open subvarieties of proper algebraic varieties by a theorem of Nagata. So I think the real question would be why to consider proper varieties which are not necessarily projective.