fpqc

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Name fpqc
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Location Ann Arbor, Michigan
Age 20
Second-year mathematics student at University of Michigan.
55

Questions
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Commutative rings to algebraic spaces in one jump?

feb 7 at 21:05 James Borger 1,915●3●14

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Reductio ad absurdum or the contrapositive?

jan 20 at 17:12 Terry Tao 3,671●6●29

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Number of valid topologies on a finite set of n elements

dec 15 at 15:26 Jose Brox 494●3●13

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70

Answers
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16
Famous mathematical quotes (3)
13
Examples of algebraic closures of finite index
9
Favorite popular math book (2)
7
Applications of the Chinese remainder theorem
7
Undergraduate Differential Geometry Texts
7
Elementary / Interesting proofs of the Nullstellensatz
6
Taking lecture notes in lectures
6
Linear Algebra Texts?
6
Math Vs Social Science
6
Curriculum reform success stories at an “average” research university
6
Were Bourbaki committed to set-theoretical reductionism?
5
Good introductory references on algebraic stacks?
5
How to respond to “I was never much good at maths at school.”
4
What is DAG and what has it to do with the ideas of Voevodsky?
4
Formally étale at all primes does not imply formally étale.
4
Any reference on multilinear algebra
4
Source needed (at final-year undergrad level) for the double cover of SO(3) by SU(2)
3
Quillen’s Morphism Inverting Functors
3
visualizing what’s going on in based homotopy theory, et al.
3
Why should algebraic objects have naturally associated topological spaces? (Formerly: What is a topological space?)
3
How to show that the “bing’s house with two rooms” is contractible?
3
Fun applications of representations of finite groups
3
Depressed graduate student.
3
synthetic differential geometry and other alternative theories
2
Definition of étale for rings
2
On limits and Colimits
2
What roles do “base change” play in algebraic geometry?
2
Applications of the “other” definition of Sheaves
2
Is there formal definition of universal quantification?
2
If K/k is a finite normal extension of fields, is there always an intermediate field F such that F/k is purely inseparable and K/F is separable?
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