Francesco Polizzi's user avatar
Francesco Polizzi's user avatar
Francesco Polizzi's user avatar
Francesco Polizzi
  • Member for 13 years, 8 months
  • Last seen this week
3 votes
Accepted

Zariski closure of hypersurfaces with $k$ singularities

3 votes
Accepted

Infinitesimal deformations of a fibration

3 votes
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Sections over projective bundles

3 votes
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Rationally connected varieties and rational fibrations

3 votes

Existence of nodal curves in a linear system

3 votes
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What can a quartic surface in $\mathbb{P}^3$ with an ordinary quadruple point look like?

3 votes
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Why do we use analytic coordinates to characterize singularity?

3 votes
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Simple maps: Flat versus locally trivial

3 votes
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Quotient of product of curves

3 votes

Links between Geometric Group Theory and Number Theory

3 votes

Image of a hypersurface under a map $\mathbb CP^n\to \mathbb CP^n$

3 votes
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Locally trivial deformations of surfaces with quotient singularities

3 votes

Powers of singular matrices and pairs of identical rows

3 votes
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Curve through the 16 singular points of a Kummer surface

3 votes
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General Reference for surface singularities

3 votes
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Connected metric spaces without connected separable subspaces

3 votes
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Modern reference for the theory of correspondences for curves

3 votes
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Fiber of the Prym map in dim 2

3 votes

Which topological spaces contain dense simply connected subspace?

3 votes
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un-ordered distinct $n$-tuples of points on $\mathbb P^1$

3 votes
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Number of points in a general fiber for a dominant rational map

3 votes

How to prove that $\phi: \;\mathrm Mod(S_g)\to \mathrm Sp(2g, \mathbb{Z})$ is an epimorphism?

3 votes

Infinite "almost rigid" homogeneous $T_2$-space

3 votes
Accepted

Intersection number of divisors on abelian surfaces and its invariance under translation by 2-Torsion points

3 votes

What is the fastest way of finding a complement?

3 votes
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difference between Cohen Macaulay and locally Cohen Macaulay curve

3 votes
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semistability of an extension of bundles

3 votes

Is every virtually free group residually finite?

3 votes
Accepted

How do we define the type of a singularity on a cubic surface?

3 votes

Topology of a smoothing of an isolated singularity

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