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sheaftheory× 311  smoothmanifolds× 311 
computerscience× 308
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harmonicanalysis× 306 
abelianvarieties× 302
projective algebraic varieties endowed with an Abelian group structure. Over the complex numbers, they can be described as quotients of a vector space by a lattice of full rank. …

discretegeometry× 298
Finite or discrete collections of geometric objects. Packings, tilings, polyhedra, polytopes, intersection, arrangements, rigidity.

openproblem× 298
equivalent to a known open problem, then the openproblem tag is added. After that, the question essentially becomes, "What is known about this problem? What are some…

examples× 295 
vectorbundles× 293 
forcing× 284
a method first used to prove the continuum hypothesis is independent of the classical axioms of set theory

convexpolytopes× 281
the convex hulls of a finite set of points in Euclidean spaces. They have rich combinatorial, arithmetic, and metrical theory, and are related to toric varieties and to linear pr…

inequalities× 281 
simplicialstuff× 279 
ergodictheory× 275
Dynamical systems on measure spaces, invariant measures, ergodic averages, mixing properties.

hyperbolicgeometry× 273  lattices× 273 
galoistheory× 265 
sp.spectraltheory× 257
Schrodinger operators, operators on manifolds, general differential operators, numerical studies, integral operators, discrete models, resonances, nonselfadjoint operators, random operators/matrices…

terminology× 247 
specialfunctions× 243
Many special functions appear as solutions of differential equations or integrals of elementary functions. Most special functions have relationships with representation theory of Lie groups.

groupcohomology× 241  convexity× 239  riemannsurfaces× 238  integration× 238 
deformationtheory× 229 
it.informationtheory× 226
Covers theoretical and experimental aspects of information theory and coding.

convexgeometry× 224  etalecohomology× 223 
diophantineequations× 221  modelcategories× 219 
bigpicture× 215
Questions designed to get an overview of a specific subject or body of results or to understand the relations among similar definitions, techniques or concepts appearing in different subfields of mat…

galoisrepresentations× 212 
stacks× 212  automorphicforms× 211  axiomofchoice× 211  stochasticcalculus× 206 