Concrete Nonsense

Algebra Algebraic Geometry arts and crafts beilinson resolution Betti tables calculus canonical bases carnival of mathematics Chern classes cohomology Combinatorics Commutative Algebra conjugacy classes convex geometry derived category derived functors duality theorems ext finite fields fourier-mukai transform functor of points games general linear group generating functions geometric representation theory geometry GLFq Gorenstein graph theory grassmannian guest posts hall-littlewood functions homogeneous spaces homological algebra homology intro invariant theory K-theory kronecker coefficients lambda rings lie algebras Lie group linear algebra linear representations matrix group matryoshka morita equivalence Non-mathematical number theory Ottawa pfaffians physics polytopes posets prime avoidance lemma Probability problem solving q-analogues quantum groups rational canonical form reciprocity Representation Theory Riemann-Roch sheaf cohomology Shoulda Series street signs symmetric functions symmetric group syzygies tangent space topology tor triangulated categories vector bundles young tableaux