RT Journal Article T1 A Note On Cohomology Over Non Algebraically Closed Fields A1 Gamboa Mutuberria, José Manuel AB We characterise algebraically closed fields as those for which the first cohomology group tf^fc^On) of the sheaf On of regular functions over kn vanishes for all positive intergers n. PB Australian Mathematics SN 0004-9727 YR 1999 FD 1999 LK https://hdl.handle.net/20.500.14352/57266 UL https://hdl.handle.net/20.500.14352/57266 LA eng NO DGICYT PB95-0354. DS Docta Complutense RD 8 abr 2025