Pure and Applied Mathematics Quarterly

Volume 9 (2013)

Number 4

Special Issue: In Memory of Andrey Todorov, Part 1 of 3

Contents

Preface

Quasi-Complete Intersection Homomorphisms

Luchezar L. Avramov, Inês Dos Anjos Henriques Bonacho, and Liana M. Sega

pp. 579-612

Closed Symmetric 2-Differentials of the 1st Kind

Fedor Bogomolov and Bruno de Oliveira

pp. 613-642

Pseudo-Effective Classes and Pushforwards

Olivier Debarre, Zhi Jiang, and Claire Voisin

pp. 643-664

Weak Coupling, Degeneration and Log Calabi-Yau Spaces

Ron Donagi, Sheldon Katz, and Martijn Wijnholt

pp. 665-738

Super Atiyah Classes and Obstructions to Splitting of Supermoduli Space

Ron Donagi and Edward Witten

pp. 739-788