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Characterization of Finite Hermitian Semi‐Quadrics
Author(s) -
LefevrePercsy C.
Publication year - 1985
Publication title -
journal of the london mathematical society
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.441
H-Index - 62
eISSN - 1469-7750
pISSN - 0024-6107
DOI - 10.1112/jlms/s2-31.1.150
Subject(s) - hermitian matrix , cardinality (data modeling) , class (philosophy) , characterization (materials science) , mathematics , combinatorics , pure mathematics , discrete mathematics , physics , computer science , artificial intelligence , data mining , optics
Hermitian semi‐quadrics of PG ( d , q ) are characterized as sets of class (0, l, n , q + l) having sufficiently large cardinality. Moreover a complete classification of sets of class (0, 1, n , q + 1) in PG (3, q ) is achieved.