Leo Alonso

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Name Leo Alonso
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23
who invented projective space $\mathbb{P}^n$?
13
formally smooth definition in SGA 1
13
Has the mathematical content of Grothendieck’s “Récoltes et Semailles” been used?
12
Is there a “geometric” intuition underlying the notion of normal varieties?
10
Most intricate and most beautiful structures in mathematics
9
Is “normal scheme” defined in EGA?
8
formal differences?
8
Scheme-theoretic account of why every variety embeds in a complete variety
8
how does one understand GRR? (Grothendieck Riemann Roch)
7
Notation for a representable functor
6
A category being self-dual vs. it being a groupoid
6
Derived categories of coherent sheaves: suggested references?
5
injective objects
5
Dualizing sheaf on varieties
5
Direct limits and quasi-isomorphism
5
connections between Grothendieck’s and Serre’s duality
4
Representability of sheaves of groups
4
What’s the definition of “geometrically injective”?
4
References for sign conventions in homological algebra
4
trace of the atiyah class equals chern class
4
Where can I learn about Formal Schemes?
4
Showing the category of perfect complexes on a scheme is essentially small
4
A down-to-earth introduction to the uses of derived categories
4
Who uses radicial morphisms?
3
A noetherian proof of Zariski’s Main Theorem?
3
Quasi-coherent envelope of a module
3
Most memorable titles
3
Derived functor
3
Comparison of Local and Global Duality
3
Grothendieck connections and jets
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