Media type: E-Article Title: From AdS to dS exchanges: Spectral representation, Mellin amplitudes, and crossing Contributor: Sleight, Charlotte; Taronna, Massimo imprint: American Physical Society (APS), 2021 Published in: Physical Review D Language: English DOI: 10.1103/physrevd.104.l081902 ISSN: 2470-0010; 2470-0029 Origination: Footnote: