On -rings and topological realization.
Operations and cooperations in elliptic cohomology. I: Generalized modular forms and the cooperation algebra.
Operations and co-operations in Morava -theory.
Operations and quantum doubles in complex oriented cohomology theory.
Opérations d'Adams en K-homologie et applications
Orbit spaces, Quillen's Theorem A and Minami's formula for compact Lie groups
Let G be a compact Lie group. We present a criterion for the orbit spaces of two G-spaces to be homotopy equivalent and use it to obtain a quick proof of Webb’s conjecture for compact Lie groups. We establish two Minami type formulae which present the p-localised spectrum as an alternating sum of p-localised spectra for subgroups H of G. The subgroups H are calculated from the collections of the non-trivial elementary abelian p-subgroups of G and the non-trivial p-radical subgroups of G. We...
Ordinary and directed combinatorial homotopy, applied to image analysis and concurrency.
Oriented singular homology.