Math-At
Normal and conormal maps in homotopy theory
Measuring Shape with Topology
Bounding the Betti numbers and computing the Euler-Poincare characteristic of semi-algebraic sets defined by partly quadratic systems of polynomials
The fundamental progroupoid of a general topos
Covering Homology
Topological obstructions to embedding of a matrix algebra bundle into a trivial one
Equivalence of higher torsion invariants
Higher dimensional algebras via colored PROPs
A^1-homotopy groups, excision, and solvable quotients
Polynomial hierarchy, Betti numbers and a real analogue of Todas theorem
From fibered symmetric bimonoidal categories to symmetric spectra
Multiplicative 2-cocycles at the prime 2
Transversal homotopy theory
Alexander Polynomials of Periodic Knots: A Homological Proof and Twisted Extension
Azumaya Objects in Triangulated Bicategories
Algebraic model structures
Bockstein basis and resolution theorems in extension theory
Associahedra and Weak Monoidal Structures on Categories
(Non-)Koszulness of operads for n-ary algebras, galgalim and other curiosities
Rational formality of function spaces
Butterflies II: Torsors for 2-group stacks
Fibrations of simplicial sets