Tokyo Journal of Mathematics

Trace Formula for Partial Isometry Case

Muneo CHŌ and Tadasi HURUYA

Source: Tokyo J. of Math. Volume 32, Number 1 (2009), 27-32.

Abstract

Let $T = U|T|$ be the polar decomposition of $T$. For a semi-hyponormal operator $T=U|T|$ with partial isometry $U$, if $|T| - |T^*| \in \mathcal{C}$, then we give the trace formula for the polar decomposition of $T$.

Primary Subjects: 47B20
Secondary Subjects: 47A10

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Links and Identifiers

Permanent link to this document: http://projecteuclid.org/euclid.tjm/1249648407
Digital Object Identifier: doi:10.3836/tjm/1249648407
Mathematical Reviews number (MathSciNet): MR2541152

References

R. W. Carey and J. D. Pincus, Almost commuting algebras, Lecture Notes in Math. 574, Springer-Verlag, Berlin, 1973, 19--43.
Mathematical Reviews (MathSciNet): MR512491
R. W. Carey and J. D. Pincus, Mosaics, principal functions, and mean motion in von-Neumann algebras, Acta Math., 138 (1977), 153--218.
Mathematical Reviews (MathSciNet): MR435901
Zentralblatt MATH: 0364.46048
Digital Object Identifier: doi:10.1007/BF02392315
M. Chō and T. Huruya, $p$-hyponormal operators for $0<p<1/2$, Comment. Math., 33 (1993), 23--29.
Mathematical Reviews (MathSciNet): MR1269396
M. Chō and T. Huruya, Trace formulae of $p$-hyponormal operators, Studia Math., 161 (2004), 1--18.
Mathematical Reviews (MathSciNet): MR2033405
Zentralblatt MATH: 1065.47022
Digital Object Identifier: doi:10.4064/sm161-1-1
M. Chō, T. Huruya and C. Li, Trace formulae associated with the polar decomposition of operators, Math. Proc. Royal Irish Acad., 105 (2005), 57--69.
Mathematical Reviews (MathSciNet): MR2164588
Zentralblatt MATH: 1124.47014
M. Chō, T. Huruya, A. H. Kim and C. Li, Principal functions for high powers of operators, Tokyo J. Math., 29 (2006), 111--116.
Mathematical Reviews (MathSciNet): MR2258275
Zentralblatt MATH: 1120.47016
Digital Object Identifier: doi:10.3836/tjm/1166661870
Project Euclid: euclid.tjm/1166661870
K. F. Clancey, Seminormal operators, Lecture Notes in Math. 742, Springer-Verlag, Berlin-Heidelberg-New York, 1979.
Mathematical Reviews (MathSciNet): MR548170
J. W. Helton and R. Howe, Integral operators, commutator traces, index and homology, Proceedings of a conference on operator theory, Lecture Notes in Math. 345, Springer-Verlag, Berlin-Heidelberg-New York, 1973.
Mathematical Reviews (MathSciNet): MR390829
M. Martin and M. Putinar, Lectures on hyponormal operators, Birkhäuser Verlag, Basel, 1989.
Mathematical Reviews (MathSciNet): MR1028066
Zentralblatt MATH: 0684.47018
D. Xia, Spectral theory of hyponormal operators, Birkhäuser Verlag, Basel, 1983.
Mathematical Reviews (MathSciNet): MR806959
Zentralblatt MATH: 0523.47012

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