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Rocky Mountain Journal of Mathematics
VOL. 20 · NO. 2 | Spring 1990
 
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Front Matter
Table of Contents, Rocky Mountain Journal of Mathematics, vol. 20, no. 2, (1990)
Rocky Mountain J. Math. 20 (2), (Spring 1990) Open Access
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Great Plains Operator Theory Conference Preface
NORBERTO SALINAS
Rocky Mountain J. Math. 20 (2), 261-262, (Spring 1990) Open Access
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Articles
Noncommutative random variables and spectral problems in free product $C^*$-algebras
D. VOICULESCU
Rocky Mountain J. Math. 20 (2), 263-283, (Spring 1990) DOI: 10.1216/rmjm/1181073107 Open Access
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Rational $C^*$-algebras and nonstable $K$-theory
B. BLACKADAR
Rocky Mountain J. Math. 20 (2), 285-316, (Spring 1990) DOI: 10.1216/rmjm/1181073108 Open Access
KEYWORDS: 46L80, 06F05, 19A13, 20M14
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Problems about reflexive algebras
K. DAVIDSON
Rocky Mountain J. Math. 20 (2), 317-330, (Spring 1990) DOI: 10.1216/rmjm/1181073109 Open Access
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Tensor products of non-self-adjoint operator algebras
V. PAULSEN, S. POWER
Rocky Mountain J. Math. 20 (2), 331-350, (Spring 1990) DOI: 10.1216/rmjm/1181073110 Open Access
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Cauchy products of positive sequences
M. BADRI, P. SZEPTYCKI
Rocky Mountain J. Math. 20 (2), 351-357, (Spring 1990) DOI: 10.1216/rmjm/1181073111 Open Access
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Interpolation of bounded operators on Lebesgue spaces
B. BARNES
Rocky Mountain J. Math. 20 (2), 359-378, (Spring 1990) DOI: 10.1216/rmjm/1181073112 Open Access
KEYWORDS: Operators on $L^p$-spaces, Fredholm operator, spectrum, Fredholm spectrum, Weyl spectrum, 47C05, 47A10, 47B30
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On perturbations of reflexive algebras
H. BERCOVICI, F. POP
Rocky Mountain J. Math. 20 (2), 379-387, (Spring 1990) DOI: 10.1216/rmjm/1181073113 Open Access
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A classification of some noncommutative Tori
B. BRENKEN
Rocky Mountain J. Math. 20 (2), 389-397, (Spring 1990) DOI: 10.1216/rmjm/1181073114 Open Access
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Hyponormal and quasinormal weighted composition of operators on $\ell^2$
J. CARLSON
Rocky Mountain J. Math. 20 (2), 399-407, (Spring 1990) DOI: 10.1216/rmjm/1181073115 Open Access
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Affine geometric proofs of the Banach Stone theorems of Kadison and Kaup
T. DANG, Y. FRIEDMAN, B. RUSSO
Rocky Mountain J. Math. 20 (2), 409-428, (Spring 1990) DOI: 10.1216/rmjm/1181073116 Open Access
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Invariant subspaces and thin sets
J. FROELICH
Rocky Mountain J. Math. 20 (2), 429-431, (Spring 1990) DOI: 10.1216/rmjm/1181073117 Open Access
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Lifting Hankel operators from the Hardy space to the Bergman space
P. GHATAGE
Rocky Mountain J. Math. 20 (2), 433-438, (Spring 1990) DOI: 10.1216/rmjm/1181073118 Open Access
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Algebra is everywhere
R. HARTE
Rocky Mountain J. Math. 20 (2), 439-444, (Spring 1990) DOI: 10.1216/rmjm/1181073119 Open Access
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On the multiplicity of $T\oplus T\oplus \cdots \oplus T$
D. HERRERO, W. WOGEN
Rocky Mountain J. Math. 20 (2), 445-466, (Spring 1990) DOI: 10.1216/rmjm/1181073120 Open Access
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A bi-measurable transformation generated by a non-measure transformation
A. LAMBERT
Rocky Mountain J. Math. 20 (2), 467-474, (Spring 1990) DOI: 10.1216/rmjm/1181073121 Open Access
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On the equivalence of the operator equations $XA+BX=C$ and $X-p (-B) Xp (A)^{-1}=W$ in a Hilbert space, $p$ a polynomial
T. MAZUMDAR, D. MILLER
Rocky Mountain J. Math. 20 (2), 477-488, (Spring 1990) DOI: 10.1216/rmjm/1181073122 Open Access
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Bimodules over Cartan subalgebras
R. MERCER
Rocky Mountain J. Math. 20 (2), 489-504, (Spring 1990) DOI: 10.1216/rmjm/1181073123 Open Access
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Duality type results and ergodic actions of simple life groups on operator algebras
C. PELIGRAD
Rocky Mountain J. Math. 20 (2), 505-512, (Spring 1990) DOI: 10.1216/rmjm/1181073124 Open Access
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Invertibility and topological stable rank for semi-crossed product algebras
J. PETERS
Rocky Mountain J. Math. 20 (2), 513-528, (Spring 1990) DOI: 10.1216/rmjm/1181073125 Open Access
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AF subalgebras of certain crossed products
Y.T. POON
Rocky Mountain J. Math. 20 (2), 529-539, (Spring 1990) DOI: 10.1216/rmjm/1181073126 Open Access
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On spectral properties of almost Mathieu operators and connections with irrational rotation $C^*$-algebras
N. RIEDEL
Rocky Mountain J. Math. 20 (2), 541-550, (Spring 1990) DOI: 10.1216/rmjm/1181073127 Open Access
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On exact controllability of operators
L. RODMAN
Rocky Mountain J. Math. 20 (2), 551-562, (Spring 1990) DOI: 10.1216/rmjm/1181073128 Open Access
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Direct integrals of standard forms of $W^*$-algebras
L. SCHMITT
Rocky Mountain J. Math. 20 (2), 563-573, (Spring 1990) DOI: 10.1216/rmjm/1181073129 Open Access
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The spatial form of antiautomorphisms of von Neumann algebras
E. STORMER
Rocky Mountain J. Math. 20 (2), 575-581, (Spring 1990) DOI: 10.1216/rmjm/1181073130 Open Access
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On almost commuting Hermitian operators
S. SZAREK
Rocky Mountain J. Math. 20 (2), 583-591, (Spring 1990) DOI: 10.1216/rmjm/1181073131 Open Access
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The boundedness condition of dilation theory characterizes subnormals and contractions
W. SZYMANSKI
Rocky Mountain J. Math. 20 (2), 591-602, (Spring 1990) DOI: 10.1216/rmjm/1181073132 Open Access
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Removing the Jump-Kato's decomposition
T. WEST
Rocky Mountain J. Math. 20 (2), 603-612, (Spring 1990) DOI: 10.1216/rmjm/1181073133 Open Access
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Restrictions of essentially normal operators
L. WILLIAMS
Rocky Mountain J. Math. 20 (2), 613-618, (Spring 1990) DOI: 10.1216/rmjm/1181073134 Open Access
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Derivations from subalgebras of operator algebras: results and problems old and new
S. WRIGHT
Rocky Mountain J. Math. 20 (2), 619-635, (Spring 1990) DOI: 10.1216/rmjm/1181073135 Open Access
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A note on the cyclic cohomology and $K$-theory associated with difference operators
D. XIA
Rocky Mountain J. Math. 20 (2), 637-650, (Spring 1990) DOI: 10.1216/rmjm/1181073136 Open Access
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Entropy of certain noncommutative shifts
H. YIN
Rocky Mountain J. Math. 20 (2), 649-654, (Spring 1990) DOI: 10.1216/rmjm/1181073137 Open Access
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