# Articles with primary mathematical subject classification: 14D20

## The period-index problem for fields of transcendence degree $2$

Pages 391-427 by Max Lieblich | From volume 182-2

## The index formula for the moduli of $G$-bundles on a curve

Pages 495-527 by Constantin Teleman, Christopher T. Woodward | From volume 170-2

## Moduli space of principal sheaves over projective varieties

Pages 1037-1092 by Tomás Gómez, Ignacio Sols | From volume 161-2