We introduce a new class of perturbations of the Seiberg–Witten equations. Our perturbations offer flexibility in the way the Seiberg–Witten invariants are constructed and also shed a new light to LeBrun's curvature inequalities.
Mikio FURUTA. Shinichiroh MATSUO. "The perturbation of the Seiberg–Witten equations revisited." J. Math. Soc. Japan 68 (4) 1655 - 1668, October, 2016. https://doi.org/10.2969/jmsj/06841655