RT Journal Article SR 00 ID 10.1090/tran/8107 A1 Navarro Garmendia, Alberto A1 Navarro Garmendia, José T1 On the Riemann-Roch formula without projective hypothesis JF Transactions of the American Mathematical Society YR 2020 FD 2020-11-03 VO 374 IS 2 SP 755 OP 772 AB Let S be a finite dimensional noetherian scheme. For any proper morphism between smooth S-schemes, we prove a Riemann-Roch formula relating higher algebraic K-theory and motivic cohomology, thus with no projective hypothesis neither on the schemes nor on the morphism. We also prove, without projective assumptions, an arithmetic Riemann-Roch theorem involving Arakelov?s higher K-theory and motivic cohomology as well as an analogue result for the relative cohomology of a morphism. These results are obtained as corollaries of a motivic statement that is valid for morphisms between oriented absolute spectra in the stable homotopy category of S. SN 0002-9947 LK https://oa.upm.es/67845/ UL https://www.ams.org/journals/tran/2021-374-02/S0002-9947-2020-08107-0/