Low-dimensional lattices. III. Perfect forms

DOI10.1098/rspa.1988.0073zbMath0655.10022OpenAlexW1993093767MaRDI QIDQ3801638

Conway, John H., N. J. A. Sloane

Publication date: 1988

Published in: Proceedings of the Royal Society of London. A. Mathematical and Physical Sciences (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1098/rspa.1988.0073

zbMATH Keywords

quadratic formautomorphism groupsroot latticesperfect latticesperfect formsmaximum densityminimal vectorsextreme formseutactic formlattice sphere-packingperfect seven-dimensional forms

Mathematics Subject Classification ID

Lattices and convex bodies (number-theoretic aspects) (11H06) Lattice packing and covering (number-theoretic aspects) (11H31) Quadratic forms (reduction theory, extreme forms, etc.) (11H55) General binary quadratic forms (11E16)

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