Andrea Ferretti

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Name Andrea Ferretti
Member for 3 years
Seen Mar 24 at 0:07
Website
Location Bonn
Age 32
Postdoc student in Lille
48

Questions
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Books about history of recent mathematics

jul 11 at 0:03 Filippo Alberto Edoardo 1,672●5●12

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Consequences of the Riemann hypothesis

nov 22 at 6:26 KConrad 16.9k●3●61●117

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Cohomology and fundamental classes

apr 13 10 at 23:51 Anton Petrunin 16.4k●41●110

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Choosing postdocs

may 18 10 at 12:48 Ben Webster♦ 20.7k●1●44●114

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Ubiquity of the push-pull formula

jul 13 at 17:42 Ryan Reich 3,881●1●9●25

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Most squares in the first half-interval

may 19 10 at 23:29 Cam McLeman 5,781●1●22●41

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Canonical topology on the category of schemes?

dec 24 09 at 0:14 Shizhuo Zhang 3,489●1●7●37

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Stacks and sheaves

dec 20 10 at 12:18 Nikita Kalinin 1,398●4●17

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Answers
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Most memorable titles
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Slick proof?: A vector space has the same dimension as its dual if and only if it is finite dimensional
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What are your favorite instructional counterexamples? (2)
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Knuth’s intuition that Goldbach might be unprovable
21
Why do we care about the Hilbert scheme of points?
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Ways to prove the fundamental theorem of algebra
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Pedagogical question about linear algebra
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Interesting results in algebraic geometry accessible to 3rd year undergraduates
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Examples of the moduli space of X giving facts about a certain X
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Integer points (very naive question)
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What is the Cayley projective plane?
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Free, high quality mathematical writing online?
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When do divisors pull back?
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Is a ‘generic’ variety nonsingular? Or singular?
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Is Hartshorne’s definition of the category of varieties natural?
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If $f$ is infinitely differentiable then $f$ coincides with a polynomial
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Hodge Index theorem for Complex Manifolds
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Collecting proofs that finite multiplicative subgroups of fields are cyclic.
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Is there a Whitney Embedding Theorem for non-smooth manifolds?
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The definition of homotopy in algebraic topology
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Origins of names of algebraic structures
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What are examples of mathematical concepts named after the wrong people? (Stigler’s law)
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blowing up, -1 curves, effective and ample divisors
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K3 surface of genus 8
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Looking for an introductory textbook on algebraic geometry for an undergraduate lecture course
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Examples of common false beliefs in mathematics.
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On proving that a certain set is not empty by proving that it is actually large
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Math puzzles for dinner
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Why nilpotent elements must be allowed in modern algebraic geometry?
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Identifying the orientation bundle uniquely
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