Here are some preprints

  • A Hurewicz spectral sequence for homology

  • Derived functors of graded algebras

  • A generalized Grothendieck spectral sequence (with Christopher Stover)

  • Abelian Pi-Algebras and their Projective Dimension

  • Mapping Spaces of Compact Lie Groups and p-adic completion (with Dietrich Notbohm)

  • Operations on resolutions and the reverse Adams spectral sequence

  • A suspension spectral sequence for v_(n)-periodic homotopy groups (with R. Thompson)

  • Higher homotopy operations and the realizability of homotopy groups

  • Homotopy operations and the obstructions to being an H-space

  • M-equivalences and homotopy colimits (with R. Thompson)

  • New model categories from old

  • Construction of colimits for the pro category of simplicial sets

  • Mapping spaces and M-CW complexes

  • Loop spaces and homotopy operations

  • Algebraic invariants for homotopy types

  • Resolutions of Associative and Lie algebras (with Ron Adin)

  • CW simplicial resolutions of spaces, with an application to loop spaces

  • Realizing coalgebras over the Steenrod algebra

  • The plus construction, Postnikov towers and universal central module extensions (with George Peschke)

  • Higher homotopy operations (with Martin Markl)

  • Homotopy operations and rational homotopy type

  • The realization space of a Pi-algebra: a moduli problem in algebraic topology (with William Dwyer and Paul Goerss)

  • The Configuration Space of Arachnoid Mechanisms (with Nir Shvalb and Moshe Shoham)

  • Moduli spaces of homotopy theory

  • On realizing diagrams of Pi-algebras (with Mark Johnson and James Turner)

  • The fiber of functors of algebraic theories (with George Peschke)

  • Comparing homotopy theories

  • Generalized Andre-Quillen cohomology

  • Local-to-global spectral sequences for the cohomology of diagrams (with Mark Johnson and James Turner)

  • The configuration space of a parallel polygonal mechanism (with Nir Shvalb and Moshe Shoham)

  • Higher homotopy operations and cohomology (with Mark Johnson and James Turner)

  • Stems and Spectral Sequences (with Hans-Joachim Baues)

  • Comparing cohomology obstructions (with Hans-Joachim Baues)

  • Two-track categories (with Simona Paoli)

  • Generic singular configurations of linkages (with Nir Shvalb)

  • Higher homotopy operations and Andre-Quillen cohomology (with Mark Johnson and James Turner)

  • Recognizing mapping spaces (with Bernard Badzioch and Wojciech Dorabiala)

  • A spectral sequence for Bredon cohomology (with Debasis Sen)

  • Realizing homotopy group actions (with Debasis Sen)

  • Segal-type algebraic models of n-types (with Simona Paoli)

  • Higher order derived functors and the Adams spectral sequence (with Hans-Joachim Baues)

  • Higher Toda brackets and Massey products (with Hans-Joachim Baues and Shilpa Gondhali)