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# Advances in Theoretical and Mathematical Physics

## Newest issue

## Volume 21 (2017)

### Number 4

### Contents

The Einstein-Friedrich-nonlinear scalar field system and the stability of scalar field cosmologies

pp. 857-899

Equivariant bundle gerbes

pp. 921-975

Categorification of Dijkgraaf–Witten theory

pp. 1023-1061