Finster, Felix; Much, Albert A canonical complex structure and the bosonic signature operator for scalar fields in globally hyperbolic spacetimes. (English) Zbl 1522.83424 Ann. Henri Poincaré 24, No. 4, 1185-1209 (2023). MSC: 83F05 53C50 51M10 81Q05 35Q41 81U90 51B20 × Cite Format Result Cite Review PDF Full Text: DOI arXiv OA License
Dappiaggi, Claudio; Finster, Felix; Murro, Simone; Radici, Emanuela The fermionic signature operator in De Sitter spacetime. (English) Zbl 1436.81163 J. Math. Anal. Appl. 485, No. 2, Article ID 123808, 29 p. (2020). MSC: 81V74 81T20 83C47 × Cite Format Result Cite Review PDF Full Text: DOI arXiv