A proof of Weinberg’s conjecture on lattice-ordered matrix algebras
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- by Jingjing Ma and Piotr J. Wojciechowski PDF
- Proc. Amer. Math. Soc. 130 (2002), 2845-2851 Request permission
Abstract:
Let $\mathbf {F}$ be a subfield of the field of real numbers and let $\mathbf {F}_{n}$ ($n \geq 2$) be the $n \times n$ matrix algebra over $\mathbf {F}$. It is shown that if $\mathbf {F}_{n}$ is a lattice-ordered algebra over $\mathbf {F}$ in which the identity matrix 1 is positive, then $\mathbf {F}_{n}$ is isomorphic to the lattice-ordered algebra $\mathbf {F}_{n}$ with the usual lattice order. In particular, Weinberg’s conjecture is true.References
- Abraham Berman and Robert J. Plemmons, Nonnegative matrices in the mathematical sciences, Computer Science and Applied Mathematics, Academic Press [Harcourt Brace Jovanovich, Publishers], New York-London, 1979. MR 544666
- Cahit Arf, Untersuchungen über reinverzweigte Erweiterungen diskret bewerteter perfekter Körper, J. Reine Angew. Math. 181 (1939), 1–44 (German). MR 18, DOI 10.1515/crll.1940.181.1
- P. Conrad, Lattice-ordered groups, Tulane Lecture Notes, Tulane University, 1970.
- L. Fuchs, Partially ordered algebraic systems, Pergamon Press, Oxford-London-New York-Paris; Addison-Wesley Publishing Co., Inc., Reading, Mass.-Palo Alto, Calif.-London, 1963. MR 0171864
- Jingjing Ma, Lattice-ordered matrix algebras with the usual lattice order, J. Algebra 228 (2000), no. 2, 406–416. MR 1764570, DOI 10.1006/jabr.1999.8232
- Stuart A. Steinberg, Finitely-valued $f$-modules, Pacific J. Math. 40 (1972), 723–737. MR 306078, DOI 10.2140/pjm.1972.40.723
- Stuart A. Steinberg, On the scarcity of lattice-ordered matrix algebras. II, Proc. Amer. Math. Soc. 128 (2000), no. 6, 1605–1612. MR 1641109, DOI 10.1090/S0002-9939-99-05171-0
- E. C. Weinberg, On the scarcity of lattice-ordered matrix rings, Pacific J. Math. 19 (1966), 561–571. MR 202775, DOI 10.2140/pjm.1966.19.561
Additional Information
- Jingjing Ma
- Affiliation: Department of Mathematical Sciences, University of Houston-Clear Lake, 2700 Bay Area Boulevard, Houston, Texas 77058
- Email: ma@cl.uh.edu
- Piotr J. Wojciechowski
- Affiliation: Department of Mathematical Sciences, The University of Texas at El Paso, El Paso, Texas 79968
- Email: piotr@math.utep.edu
- Received by editor(s): March 20, 2001
- Received by editor(s) in revised form: May 16, 2001
- Published electronically: March 15, 2002
- Additional Notes: The results in this paper were presented at the conference “Lattice-ordered groups and f-rings" at the University of Florida, March 2001.
- Communicated by: Lance W. Small
- © Copyright 2002 American Mathematical Society
- Journal: Proc. Amer. Math. Soc. 130 (2002), 2845-2851
- MSC (2000): Primary 06F25; Secondary 15A48
- DOI: https://doi.org/10.1090/S0002-9939-02-06408-0
- MathSciNet review: 1908906
Dedicated: Dedicated to Professor Melvin Henriksen on his 75th birthday