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Interpretation of the numerator of the Hilbert series?

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#commutative-algebra #graded-rings #algebraic-combinatorics
348
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Uses of Chevalley-Warning

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#linear-algebra #combinatorics #additive-combinatorics #algebraic-combinatorics #arithmetic-combinatorics
4.2k
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Identity involving partitions of even and odd parts.

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#combinatorics #integer-partitions #algebraic-combinatorics
307
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Given a list of $2^n$ nonzero vectors in $GF(2^n)$, do some $2^{n-1}$ of them sum to 0?

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#combinatorics #finite-fields #additive-combinatorics #algebraic-combinatorics #arithmetic-combinatorics
236
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Symmetrization of Powersum polynomials

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#symmetric-groups #symmetric-polynomials #algebraic-combinatorics
404
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Given a positive integer $n$, some straight lines and lattice points such... Prove that the number of the lines is at least $n(n+3)$.

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#combinatorics #contest-math #alternative-proof #algebraic-combinatorics
108
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On the number of facets of subcomplexes of Shellable simplicial complex

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#commutative-algebra #simplicial-complex #algebraic-combinatorics #hilbert-polynomial
48
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Merging polynomials together

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#polynomials #algebraic-combinatorics #resultant
49
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One part power series annihilator

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#ordinary-differential-equations #power-series #generating-functions #formal-power-series #algebraic-combinatorics
132
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Orbit of a point under the action of the stabiliser of another point

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#group-theory #graph-theory #group-actions #algebraic-graph-theory #algebraic-combinatorics
90
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In a primitive symmetric association scheme, why does $E_j$ occur in some power of $E_i$ for each $i,j$?

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#algebraic-graph-theory #algebras #algebraic-combinatorics #association-schemes
664
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Intuition behind picking group actions and Sylow

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#group-theory #soft-question #group-actions #sylow-theory #algebraic-combinatorics
168
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Help with an expression of the Schur polynomial

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#combinatorics #symmetric-polynomials #algebraic-combinatorics
289
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Clubs whose intersections are multiples of six (Oddtown variant)

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#linear-algebra #combinatorics #finite-fields #extremal-combinatorics #algebraic-combinatorics
246
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Why does Alon's combinatorial Nullstellensatz require working over a field.

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#combinatorics #algebraic-combinatorics

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