K theory of smooth complete toric varieties and related spaces

K(n)-local duality for finite groups and groupoids

K-theoretic descent and a motivic Atiyah-Segal theorem

K-theory and elliptic operators

K-theory of torus manifolds

Kervaire Invariant One [after M. A. Hill, M. J. Hopkins, and D. C. Ravenel]

Khovano Homology and Embedded Graphs

Knaster's problem for almost $(Z_p)^k$-orbits

Knots, operads and double loop spaces

Komplexe elliptische Geschlechter und S^1-aequivariante Kobordismustheorie (Complex elliptic genera and S^1-equivariant cobordism theory)

Kontsevich's Swiss Cheese Conjecture

Koszul duality and equivariant cohomology

Koszul duality and equivariant cohomology for tori

Koszul duality complexes for the cohomology of iterated loop spaces of spheres

Koszul duality for PROPs

Koszul duality in algebraic topology - an historical perspective

Koszul duality of E_n-operads

Koszul duality of operads and homology of partition posets

Koszul spaces

Krull-Schmidt decompositions for thick subcategories