Philip Engel

Member for 12 years, 8 months
Last seen more than a month ago

math.columbia.edu/~engel

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ag.algebraic-geometry

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Structures between PL and smooth

Jan 12, 2021

8

Contracting a curve of negative self-intersection on a surface

Mar 1, 2013

7

Modularity of certain theta series associated to hyperbolic lattice

Nov 14, 2016

6

Algebraic deformation invariance of Gromov-Witten invariants

Dec 14, 2020

5

Quotient of a smooth projective surface by an involution

Feb 13, 2019

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11

Can any smooth hyperelliptic curve be embedded in a quadric surface?

Dec 28, 2011

10

If $A$ is the ring of continuous functions on a genus $g$ surface, can the genus of $X$ be seen by simple algebra in $A$?

Jan 29, 2016

6

Solving algebraic problems with topology

Feb 4, 2016

5

A very general complex torus is simple

Jun 23, 2016

5

Examples of non-Kähler compact complex manifolds which satisfy the Dolbeault isomorphism

Aug 30, 2016

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ag.algebraic-geometry

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complex-geometry

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surfaces

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+10

Examples of non-Kähler compact complex manifolds which satisfy the Dolbeault isomorphism

+10

Algebraic deformation invariance of Gromov-Witten invariants

+10

Is there a way to define Hecke operators "inherently" as certain endomorphisms of the Jacobian?

+10

Structures between PL and smooth

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