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earned this badge 19 times.
Is a universally closed morphism of schemes quasi-compact ?
Awarded Dec 13, 2023 at 22:15
Is every algebraic smooth hypersurface of affine space parallelizable?
Awarded Jan 14, 2019 at 0:25
Should Krull dimension be a cardinal?
Awarded Nov 26, 2017 at 21:58
Which intrinsic invariants of a projective variety can you deduce from its Hilbert polynomials?
Awarded Mar 27, 2017 at 10:21
History of the Proj construction in algebraic geometry
Awarded Nov 9, 2016 at 22:06
What is the Krull dimension of the ring of holomorphic functions on a complex manifold?
Awarded Dec 19, 2015 at 18:50
An algebraic vector bundle is trivialized by open sets. How many does one need?
Awarded Jul 14, 2015 at 19:17
Did Bourbaki write a text on algebraic geometry?
Awarded Mar 21, 2015 at 14:55
Where do all these projection formulas come from?
Awarded Jan 30, 2015 at 18:47
Is every connected scheme path connected?
Awarded Aug 25, 2013 at 19:03
Cubical vs. simplicial singular homology
Awarded Apr 17, 2013 at 3:35
How many mathematicians are there?
Awarded Oct 23, 2012 at 14:50
Arbitrary products of schemes don't exist, do they?
Awarded Sep 22, 2012 at 19:05
Mr. G.P.K.'s questions [closed]
Awarded Aug 18, 2012 at 20:50
What does it mean geometrically that an element in a domain is irreducible?
Awarded Jun 28, 2012 at 14:35
When is the tensor product of two fields a field?
Awarded Apr 27, 2012 at 8:35
Why is the fundamental group of a compact Riemann surface not free ?
Awarded Apr 7, 2012 at 17:50
When is a singular point of a variety ($\mathcal{C}^\infty$-) smooth?
Awarded Nov 29, 2011 at 1:50
Does a power series converging everywhere on its circle of convergence define a continuous function?
Awarded May 6, 2011 at 22:50

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