TY  - JOUR
AU  - Norbury, Paul
TI  - A new cohomology class on the moduli space of curves
JO  - Geometry & topology
PY  - 2023
SP  - 2695
EP  - 2761
VL  - 27
IS  - 7
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.2140/gt.2023.27.2695/
DO  - 10.2140/gt.2023.27.2695
ID  - GT_2023_27_7_a2
ER  -