The Journal of Differential Geometry is devoted to the publication of research papers in differential geometry and related subjects such as differential equations, mathematical physics, algebraic geometry and geometric topology.

### Volume 90, Number 3

#### Publication Date: March 2012

Minimal surfaces in $\mathbb{R}^3$ properly projecting into $\mathbb{R}^2$

Antonio Alarcón and Francisco J. López; 351-381

A Characterization of harmonic spaces

Balázs Csikós and Márton Horváth; 383-389

The Donaldson-Thomas invariants under blowups and flops

Jianxun Hu and Wei-Ping Li; 391-411

Simplicial volume of moduli spaces of Riemann surfaces

Lizhen Ji; 413-437

A proof of the Göttsche-Yau-Zaslow formula

Yu-Jong Tzeng; 439-472

Bending Fuschsian representations of fundamental groups of cusped surfaces in $\mathrm{PU}(2,1)$

Pierre Will; 473-520

Erratum to “Â-genus on non-spin manifolds with $S^1$ actions and the classification of positive quaternion-Kähler 12-manifolds”

Haydeé Herrera and Rafael Herrera; 521