Recent Publications

Monographs

J.Hamhalter: Quantum Measure Theory, Kluwer Academic Publishers, Dordrecht, Boston, London (2003).
Book Series: Fundamental Theories of Physics, Vol. 134.
418 pages, ISBN 1-4020-1714-6.
(See Monograph )

J.Hamhalter: Quantum Structures and Operator Algebras, Handbook of Quantum Logic and Quantum Structures: 285-333, Elsevier B.V., Amsterdam 2007, Edited by K.Engesser, Dov M. Gabbay, D.Lehmann. ISBN: 978-0-444-52870-4.

Papers in Journals (1994—2009)

 

·        M.Bohata and J.Hamhalter: Bell’s correlations and the spin systems, Foundations of Physics, to appear.

·        M.Bohata and J.Hamhalter : Maximal violation of Bells inequalities and Pauli spin matrice, Journal of Mathematical Physics, 50, 082101 (2009).

·        J.Hamhalter: Absolute Continuity and Noncommutative Measure Theory, International Journal of Theoretical Physics, to appear.

·        E.Chetcuti and J.Hamhalter: Vitali-Hahn-Saks Theorem Holds Precisely For Finite W*-algebras, The Quarterly Journal of Mathematics, 2009 60: 53-56   Oxford Press.

·        E.Chetcuti and J.Hamhalter: A noncommutative Brook-Jewett Theorem, Journal of Mathematical Analysis and Applications, 355 (2009), 839-845.

·        R.Conti and J.Hamhalter: Independence of Group Algebras, Mathematische Nachrichten ,   283 , No. 6, 818-827 (2010).

·        J.Hamhalter: Spectral Lattices, International Journal of Theoretical Physics , 47,  (2008), 245-251.

·        J.Hamhalter: Spectral Order of Operators and Range Projections, Journal of Mathematical Analysis and Applications, 331 (2007), 1122-1134.

·        E.Chetcuti and J.Hamhalter: Vitali-Hahn-Saks Theorem for Vector Measures on Operator Algebras, The Quarterly Journal of Mathematics, Oxford University Press, 2006, 57: 479-493.

·        J.Hamhalter: States on Operator Algebras and Axiomatic System of Quantum Theory, International Journal of Theoretical Physics, Vol. 44 ,
No. 11, November 2005, 1941-1954.

·        J.Hamhalter: Orthogonal pure states in operator theory, International Journal of Theoretical Physics, Vol. 44 , No. 7, July 2005, 839-847.

·        L.J.Bunce and J.Hamhalter: C*-Independence, Product States and Commutation, Ann. Inst. Henri Poincare Vol. 5, Number 5, (2004), 1081-1095.

·        J.Hamhalter: Traces, dispersions of states and hidden variables, Foundations of Physics Letters, Vol. 17, Number 6, (2004), 581-597.

·        J.Hamhalter: Noncommutatitive phenomena in measure theory on operator algebras, Rend. Instit. Mat. Univ. Trieste, Vol. XXXIV, (2002) 19-43.

·        G.Cattaneo and J.Hamhalter: De Morgan property for effect algebras of von Neumann algebras, Letters in Mathematical Physics, Vol.59, No.3, (2002), pp. 243-252.

·        J.Hamhalter: Multiplicativity of extremal positive maps on abelian parts of operator algebras, Journal of Operator Theory, 48, (2002), 1-18.

·        J.Hamhalter: C*-independence and W*-independence of von Neumann algebras, Mathematische Nachrichten 239-240, (2002), 146-156.

·        J.Hamhalter: Pure states on Jordan algebras, Mathematica Bohemica, Vol. 126, No. 1, (2001), 81-91.

·        J.Hamhalter: Restricting and extending states and positive maps on operator algebras, International Journal of Theoretical Physics, 39, (3), March 2000, 721-726.

·        G.Cattaneo, J.Hamhalter and P.Ptak: On the de Morgan property of the standard Brower-Zadeh poset, Foundations of Physics, 30 (10), October 2000, 1801-1805.

·        L.J.Bunce and J.Hamhalter: Jauch-Piron states and sigma-additivity, Reviews in Mathematical Physics, Vol. 12, No. 6 (June 2000), 767-777.

·        J.Hamhalter: Supporting sequences of pure states on JB algebras, Studia Mathematica 136 (1), (1999), 37-47.

·        J.Hamhalter: Universal state space embeddability of Jordan--Banach algebras, Proceedings of the American Mathematical Society, 127 (1999), 131-137.

·        J.Hamhalter: Restricting pure states on JB algebras to maximal associative subalgebras, Tatra Mountains Math. Publ., 15 (1998), 165-171. Special Issue: Quantum Structures II, Dedicated to Gudrun Kalmbach.

·        J.Hamhalter: Determinacy of states and independence of operator algebras, International Journal of Theoretical Physics, Vol. 37, Nu. 1, (1998), 599-607.

·        J.Hamhalter: Statistical independence of operator algebras, Ann. Inst. Henri Poincare, Vol. 67, no. 4, (1997), 447-462.

·        J.Hamhalter: The Nikodym boundedness theorem, Tatra Mountains Math. Publ., 10, (1997), 179-181.

·        Avallone and J.Hamhalter : Extension theorems (vector measures on quantum logics), Czechoslovak Mathematical Journal, 46, (121), (1996), 179-192.

·        L.J. Bunce and J. Hamhalter: Extension of Jauch-Piron states on Jordan algebras, Mathematical Proceedings of the Cambridge Philosophical Society, 119, (1996), 279-286.

·        J.Hamhalter, M.Navara and P.Ptak: States on orthoalgebras, International Journal of Theoretical Physics, 34, No. 8, (1995), 1439-1465.

·        J. Hamhalter: Extension properties of states on operator algebras, International Journal of Theoretical Physics, 34, No. 8, (1995), 1431-1437.

·        L.J. Bunce and J. Hamhalter: Countably additive homomorphisms between von Neumann algebras, Proceedings of the American Mathematical Society, 123, Nu. 11, (1995), 157-160.

·        L.J. Bunce and J. Hamhalter: Traces and subadditive measures on projections in JBW-algebras and von Neumann algebras, Proceedings of the American Mathematical Society, Vol. 123, No. 1, (1995), 157-160.

·        J. Hamhalter: Gleason property and extensions of states on projection logics, Bulletin of the London Mathematical Society, 26, (1994), 367-372.

·        L.J. Bunce and J. Hamhalter: Jauch-Piron states on von Neumann algebras, Mathematische Zeitschrift, 215, (1994), 491-502.