A product formula is given which represents the unitary group for the form sum of a pair of nonnegative selfadjoint operators in a Hilbert space.
Cite this article
Takashi Ichinose, A Product Formula and Its Application to the Schrödinger Equation. Publ. Res. Inst. Math. Sci. 16 (1980), no. 2, pp. 585–600DOI 10.2977/PRIMS/1195187217