Snowbird Lectures on String Geometry

Preface vii

List of participants xi

D-branes, Π-stability and θ-stability

Paul S. Aspinwall 1

Geometric transitions, non-K¨ahler geometries and string vacua

Katrin Becker, Melanie Becker, Keshav Dasgupta

and Radu Tatar 15

On the K-theory of smooth toric DM stacks

Lev A. Borisov and R. Paul Horja 21

Gromov–Witten, Gopakumar–Vafa, and Donaldson–Thomas invariants of

Calabi–Yau threefolds

Sheldon Katz 43

Flux compactification geometries and de Sitter vacua in M-theory

Axel Krause 53

N = 4 super-Yang–Mills theory and integrable spin chains

Radu Roiban 69

Yang–Mills amplitudes from twistor string theory

Radu Roiban, Marcus Spradlin and Anastasia Volovich 81

Notes on correlation functions in (0, 2) theories

Eric Sharpe 93