# 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)