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JOURNALS // Zapiski Nauchnykh Seminarov POMI // Archive

Zap. Nauchn. Sem. POMI, 2022 Volume 513, Pages 147–163 (Mi znsl7235)

Chow ring of horospherical varieties of Picard number one

V. A. Petrovab, A. K. Soninac

a St. Petersburg Department of Steklov Mathematical Institute of Russian Academy of Sciences
b Saint Petersburg State University
c Chebyshev Laboratory, St. Petersburg State University, Department of Mathematics and Mechanics

Abstract: An algorithm based on Goresky–Kottwitz–MacPherson method is provided to compute the equivariant Chow ring of a horospherical variety of Picard number one. In the case of $G_2$-variety, an explicit presentation of this ring is given.

Key words and phrases: horospherical varieties, GKM-varieties, Chow ring.

UDC: 512.7

Received: 30.05.2022



© Steklov Math. Inst. of RAS, 2025