Special session and international conference on moduli spaces, operads, and representation theory/operads and homotopy algebra, March 1995/MayJune 1995, Hartford, Connecticut/Luminy, France.

Includes bibliographical references and index.

Definitions: operads, algebras and modules ; The prehistory of operads ; Operads, algebras and modules ; Relating the associahedron and the permutohedron ; Combinatorial models for real configuration spaces and _n perads ; From operads to "physically" inspired theories ; Operades des algebres k+1) ires ; Coproduct and cogroups in the category of graded dual Leibniz algebras ; Cohomology of monoids in monoidal categories ; Distributive laws, bialgebras, and cohomology ; Deformations of algebras over a quadratic operad ; ings and the homology of the symmetric groups ; Operadic tensor products and smash products ; Homotopy Gerstenhaber algebras and topological field theory ; Intertwining operator algebras, genuszero modular functors and genuszero conformal field theories ; Modular functor and representation theory of widehat \rm sl_2 at a rational level ; Quantum generalized cohomology ; Noncommutative reciprocity laws associated to finite groups J P May ; Jim Stasheff ; J P May ; Andy Tonks ; Clemens Berger ; Jim Stasheff ; Allahtan Victor Gnedbaye ; JeanMichel Oudom ; HansJoachim Baues Mamuka Jibladze and Andy Tonks ; Thomas F Fox and Martin Markl ; David Balavoine ; Terrence P Bisson and Andre Joyal ; J P May ; Takashi Kimura Alexander A Voronov and Gregg J Zuckerman ; YiZhi Huang ; Boris Feigin and Feodor Malikov ; Jack Morava ; JL Brylinski and D A McLaughlin