Steven Sam

San Diego, CA, USA

http://math.ucsd.edu/~ssam/

I am an assistant professor in the math department of the University of California, San Diego. I am interested in free resolutions, representation theory, invariant theory and related combinatorics.

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Why do we teach calculus students the derivative as a limit?

real-analysis ho.history-overview teaching limits asked Sep 27, 2010 at 5:29

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41 votes

Why do Littlewood-Richardson coefficients describe the cohomology of the Grassmannian?

ag.algebraic-geometry co.combinatorics intuition asked Feb 5, 2010 at 2:53

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32 votes

Graded local rings versus local rings

ac.commutative-algebra examples asked Oct 19, 2009 at 5:06

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28 votes

Does GL_n(Z) have a noetherian group ring?

gr.group-theory ra.rings-and-algebras group-rings group-algebras asked May 3, 2014 at 3:21

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21 votes

Finite groups with the same character table

gr.group-theory ct.category-theory asked Oct 14, 2009 at 17:47

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16 votes

Characterizations of complex Abelian varieties (especially 3-folds) among projective nonsingular varieties?

abelian-varieties ag.algebraic-geometry asked Aug 8, 2010 at 5:20

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15 votes

Branching rule from symmetric group $S_{2n}$ to hyperoctahedral group $H_n$

rt.representation-theory co.combinatorics reference-request symmetric-group asked Dec 7, 2010 at 4:43

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15 votes

Where do stable Kronecker coefficients live "in nature"?

co.combinatorics rt.representation-theory symmetric-group asked Mar 24, 2010 at 6:37

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14 votes

Characterizations of Abelian varieties (3-folds) in positive characteristic

ag.algebraic-geometry abelian-varieties asked Jul 29, 2011 at 0:42

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13 votes

When is the reduced subscheme of a Cohen-Macaulay scheme also Cohen-Macaulay?

ag.algebraic-geometry ac.commutative-algebra cohen-macaulay-rings asked Jun 13, 2013 at 16:47

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Top Answers

Your favorite surprising connections in mathematics

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Is there a Morse theory proof of the Bruhat decomposition?

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Ways to prove the fundamental theorem of algebra

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Real-world applications of mathematics, by arxiv subject area?

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Outer automorphisms of simple Lie Algebras

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Prime dividing the binomial coefficients

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Character table does not determine group Vs Tannaka duality

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What are examples of good toy models in mathematics?

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What is the first interesting theorem in (insert subject here)?

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Groups in which all characters are rational.

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How many minors I need to check to conclude all minors will vanish ?

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Why are the characters of the symmetric group integer-valued?

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Hironaka desingularisation theorem -- new proofs in literature?

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Why is it a good idea to study a ring by studying its modules?

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When Are Quotients Complete Intersections?

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Are the determinantal ideals prime?

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No group of order 36 is simple

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How helpful is non-standard analysis?

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Is there a non-explicit characterization of the Specht modules?

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Software for computing multi-graded Hilbert series

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Ingenuity in mathematics

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Why complete symmetric polynomials and elementary symmetric polynomials are dual to each other?

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Are SL(n) Invariants of this wedge product isomorphic to a symmetric product?

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Branching rule from symmetric group $S_{2n}$ to hyperoctahedral group $H_n$

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Reference request: representation of type G2 Lie algebras.

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Figure out the roots from the Dynkin diagram

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Why is an elliptic curve a group?

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What functor does Grassmannian represent?

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Some question about polynomial representations of $GL(V)$

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Genus of Grassmannians and Flag Manifolds

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