On the arithmetic 4-orbifolds associated to integral quaternary quadratic forms of index 2

DOI10.1007/s00022-017-0389-8zbMath1426.11020OpenAlexW2619476018MaRDI QIDQ1685538

José María Montesinos Amilibia

Publication date: 14 December 2017

Published in: Journal of Geometry (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1007/s00022-017-0389-8

zbMATH Keywords

orbifoldprojective equivalenceintegral quadratic formrational equivalenceautomorphcommensurability classConway's excessesline-geometryquadratic line complex

Mathematics Subject Classification ID

Quadratic forms over general fields (11E04) General ternary and quaternary quadratic forms; forms of more than two variables (11E20) Group actions on manifolds and cell complexes in low dimensions (57M60) Projective techniques in algebraic geometry (14N05) Knot theory (57K10)

Cites Work

• Addendum to ``On integral quadratic forms having commensurable groups of automorphisms
• On odd rank integral quadratic forms: canonical representatives of projective classes and explicit construction of integral classes with square-free determinant
• On integral quadratic forms having commensurable groups of automorphisms
• Lectures on quadratic forms. Reissued
• Complex Ball Quotients and Line Arrangements in the Projective Plane
• The arithmetically reduced indefinite quadratic form in n-variables
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