Title
Automorphisms of finite orthoalgebras, exceptional root systems and quantum mechanics Automorphisms of finite orthoalgebras, exceptional root systems and quantum mechanics
Author
Faculty/Department
Faculty of Sciences. Mathematics and Computer Science
Publication type
conferenceObject
Publication
Berlin :Springer ,
Subject
Mathematics
Physics
Source (journal)
Generalized lie theory in mathematics, physics and beyond
Source (book)
International Workshop of Baltic-Nordic Algebra, Geometry and, Mathematical Physics, OCT 12-14, 2006, Lung Univ, Ctr Math Sci, Lund, SWEDEN
Volume/pages
(2009) , p. 39-45
ISBN
978-3-540-85331-2
ISI
000264638600004
Carrier
E
Target language
English (eng)
Full text (Publishers DOI)
Affiliation
University of Antwerp
Abstract
An orthoalgebra is a partial abelian monoid whose structure captures some properties of the direct sum operation of the subspaces of a Hilbert space. Given a physical system (quantum or classical), the collection of all its binary observables (properties) may be viewed as an orthoalgebra. In the quantum case, in contrast to the classical, the orthoalgebra cannot have a "bivaluation" (a morphism ending in a two-element orthoalgebra). An interesting combinatorial problem is to construct finite orthoalgebras not admitting bivaluations. In this paper we discuss the construction of a family such examples closely related to the irreducible root systems of exceptional type.
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