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earned this badge 111 times.
Proper way to deal with papers you've already refereed.
Awarded Feb 26 at 0:11
KLT singularities are quotient in codimension 2
Awarded Jan 21 at 0:50
Pushforward and pullback.
Awarded Sep 28, 2023 at 21:27
blowing up general k points on the plane
Awarded Oct 8, 2022 at 9:51
Is the pullback of an ample bundle minus the exceptional divisor ample?
Awarded Aug 25, 2022 at 16:10
What properties define open loci in excellent schemes?
Awarded Jun 5, 2022 at 12:37
Cayley's Theorem and the Yoneda Lemma
Awarded Nov 21, 2021 at 21:57
A nontrivial surface on which any two curves intersect
Awarded Nov 21, 2021 at 18:16
The exceptional locus of a minimal resolution of singularities
Awarded Oct 10, 2021 at 16:25
Intersection of two projective submanifolds in $P^n$ treatment in Shafarevich book
Awarded Sep 26, 2021 at 8:02
Is there an intuitive reason for Zariski's main theorem?
Awarded Aug 17, 2021 at 17:55
prime ideals in regular local rings
Awarded Apr 27, 2021 at 7:27
Minimal primes and zero-divisors
Awarded Apr 23, 2021 at 0:05
When does f-nef imply nef (after twisting?)
Awarded Feb 15, 2021 at 21:09
Equivalence of the term "divisor"
Awarded Nov 30, 2020 at 8:36
Additivity of Kodaira dimension for a nice fibration
Awarded Oct 5, 2020 at 7:56
Example of the completion of a noetherian domain at a prime that is not a domain
Awarded Aug 26, 2020 at 19:46
Generalisations of Riemann-Roch for surfaces
Awarded Mar 2, 2020 at 23:10
Blowing-up and direct image sheaf.
Awarded Jan 15, 2020 at 3:35
Can Yoneda lemma for smooth projective varieties only use curves?
Awarded Dec 31, 2019 at 7:25
What can be said about a pullback of a very ample line bundle w.r.t birational maps?
Awarded Nov 29, 2019 at 8:25
What's "bad" about unstable sheaves?
Awarded Apr 4, 2019 at 17:40
Trouble with semicontinuity
Awarded Dec 30, 2018 at 14:35
An algebraic vector bundle is trivialized by open sets. How many does one need?
Awarded Dec 13, 2018 at 16:30
Number of affines needed to cover a variety
Awarded Nov 12, 2018 at 15:45
How to check if a commutative ring is Gorenstein.
Awarded Mar 24, 2018 at 12:31
Is a field that never embeds twice in another field necessarily a prime field?
Awarded Feb 28, 2018 at 9:16
pull back of an ample line bundle under a blow up
Awarded Feb 17, 2018 at 22:46
algebraic de Rham cohomology of singular varieties
Awarded Sep 11, 2017 at 9:35
The minimal model program and symplectic resolutions
Awarded Jul 19, 2017 at 17:15
Locally free extension of locally free sheaf
Awarded Mar 11, 2017 at 1:56
On a result of Kawamata on ampleness and nonexistence of rational curves
Awarded Jan 4, 2017 at 17:35
Geometric examples of the Serre intersection formula
Awarded Dec 27, 2016 at 21:48
Trying to Understand Lefschetz Pencils
Awarded Dec 21, 2016 at 0:49
What does it mean geometrically that an element in a domain is irreducible?
Awarded Dec 7, 2016 at 17:15
blow-up along singular variety
Awarded Sep 8, 2016 at 22:30
Duals and Tensor products
Awarded Jun 5, 2016 at 18:48
What is Serre's condition (S_n) for sheaves?
Awarded May 30, 2016 at 23:29
Generalization of the rigidity lemma in birational geometry
Awarded Apr 25, 2016 at 19:49
The localization of a regular local ring is regular
Awarded Apr 2, 2016 at 19:12
Grothendieck spectral sequence when one of the functors is contravariant
Awarded Dec 28, 2015 at 15:20
Pullback of the canonical divisor between smooth varieties
Awarded Sep 7, 2015 at 14:50
Coboundaries and Gluing in Cech Cohomology - Intuition?
Awarded Sep 6, 2015 at 13:17
Intuition behind the Kodaira Vanishing Theorem?
Awarded Jul 28, 2015 at 13:52
Higher dimensional version of the Hurwitz formula?
Awarded May 28, 2015 at 12:48
Is the pushforward of a line bundle on the smooth locus of a terminal singularity again a line bundle?
Awarded Nov 9, 2014 at 2:15
A Relative Algebraic Hartogs Lemma
Awarded Oct 27, 2014 at 17:40
Cohomology of Structure Sheaves: Algebraic, Constructible and more
Awarded Sep 10, 2014 at 12:29
$\mathbb{P}^n$ is simply connected
Awarded May 12, 2014 at 3:10
Vector Bundles on normal surfaces
Awarded Feb 6, 2014 at 18:17
hyperplane sections of isolated hypersurface singularities.
Awarded Jan 13, 2014 at 21:17
Dualizing sheaf
Awarded Aug 29, 2013 at 12:21
Does the moduli space of smooth curves of genus g contain an elliptic curve
Awarded Aug 10, 2013 at 15:54
Which journals publish expository work?
Awarded Apr 16, 2013 at 2:35
Flips in the Minimal Model Program
Awarded Apr 8, 2013 at 14:05
Why are normal crossing divisors nice?
Awarded Apr 1, 2013 at 22:20
Flips in the Minimal Model Program
Awarded Mar 30, 2013 at 0:05
How/where are semi-log resolutions used?
Awarded Mar 12, 2013 at 16:05
What does a projective resolution mean geometrically?
Awarded Mar 6, 2013 at 3:35
Sheaves without global sections
Awarded Mar 1, 2013 at 9:50
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