In this paper, the very first step is taken towards solving the recently proposed conjecture by Kronheimer and Mrowka [KM2] concerning the Casson's invariant of an oriented homology 3-sphere and its Seiberg-Witten Floer homology.
DRAGHICI, Tedi (1997) "Seiberg-Witten Invariants when Reversing Orientation," Turkish Journal of Mathematics: Vol. 21: No. 1, Article 7. Available at: https://journals.tubitak.gov.tr/math/vol21/iss1/7