Abstract
Let $S$ be a complex nonsingular minimal projective surface of general type with $q(S)=2$, and let $G$ be the group of the automorphisms of $S$ acting trivially on $H^2(S, \boldsybmol{Q})$. In this note we classify explicitly pairs $(S, G)$ with $G$ of order four.
Citation
Jin-Xing Cai. "Automorphisms of an irregular surface of general type acting trivially in cohomology, II." Tohoku Math. J. (2) 64 (4) 593 - 605, 2012. https://doi.org/10.2748/tmj/1356038980
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