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JOURNALS // Sibirskii Matematicheskii Zhurnal // Archive

Sibirsk. Mat. Zh., 2023 Volume 64, Number 4, Pages 786–793 (Mi smj7798)

Well-formedness vs weak well-formedness

V. V. Przyjalkowski

Steklov Mathematical Institute of Russian Academy of Sciences, Moscow

Abstract: The literature contains two definitions of well formed varieties in weighted projective spaces. By the first, a variety is well formed if its intersection with the singular locus of the ambient weighted projective space has codimension at least 2. By the second, a variety is well formed if it does not include a singular stratum of the ambient weighted projective space in codimension 1. We show that these two definitions differ indeed, and show that they coincide for the quasismooth weighted complete intersections of dimension at least 3.

Keywords: well-formedness, weighted complete intersections.

UDC: 512.7

MSC: 35R30

Received: 10.02.2023
Revised: 27.04.2023
Accepted: 16.05.2023

DOI: 10.33048/smzh.2023.64.411



© Steklov Math. Inst. of RAS, 2025