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darij grinberg's user avatar
darij grinberg's user avatar
darij grinberg
  • Member for 14 years, 4 months
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About

Assistant professor at Drexel University (from Sep 2019), working in algebraic combinatorics and dabbling in category theory and TCS.

Personal website: https://www.cip.ifi.lmu.de/~grinberg/ (mirrored at https://darijgrinberg.gitlab.io/ ).

Science > hashtags.

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answer
86
Undergrad-level combinatorics texts easier than Stanley's Enumerative Combinatorics?
Sep 28, 2015
answer
37
Why does Friedberg say that the role of the determinant is less central than in former times?
Nov 4, 2016
answer
31
Is this determinant always non-negative?
Aug 4, 2015
answer
24
Definition of General Associativity for binary operations
Apr 17, 2014
question
23
Is Orzech's generalization of the surjective-endomorphism-is-injective theorem correct?
Dec 13, 2014
answer
23
Book recommendations for linear algebra
Jul 31, 2017
answer
23
Why are Noetherian Rings important?
Dec 9, 2013
answer
23
Good books and lecture notes about category theory.
Dec 31, 2012
answer
21
Soviet Russian mathematics books
Feb 18, 2015
answer
18
Hartshorne Problem 1.2.14 on Segre Embedding
Apr 8, 2013
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Can we please be more generous to elementary beginners?
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Can we please STOP closing and deleting old posts with answers?
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What was the reason to change the layout?
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Firing mods and forced relicensing: sudden changes at SE
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What are some examples of colorful language in serious mathematics papers?
85
Most harmful heuristic?
82
Wanted: a "Coq for the working mathematician"
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How to be rigorous about combinatorial algorithms?
59
What's the meaning of "Topics in ... "?