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 1,682●5●12

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Consequences of the Riemann hypothesis

nov 22 at 6:26 KConrad 17k●3●63●117

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Cohomology and fundamental classes

apr 13 10 at 23:51 Anton Petrunin 16.5k●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 3,951●1●9●25

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Most squares in the first half-interval

may 19 10 at 23:29 Cam McLeman 5,780●1●22●42

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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)
27
Knuth’s intuition that Goldbach might be unprovable
21
Why do we care about the Hilbert scheme of points?
20
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)
15
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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