AMS Meeting Program by Special Session
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1994 Joint Mathematics Meeting
Cincinnati, OH, January 1215, 1994
Meeting #889
Associate secretaries:
Robert J Daverman, AMS daverman@math.utk.edu
Kenneth A Ross, MAA ross@math.uoregon.edu
AMS Special Session on Operator Theory, Nonself Adjoint Operator Algebras, and Control Theory

Wednesday January 12, 1994, 8:00 a.m.10:50 a.m.
AMS Special Session on Operator Theory, Nonself Adjoint Operator Algebras, and Control Theory, I

8:10 a.m.
The state space method in interpolation problems.
J. A. Ball, Virginia Polytech Institute & State University
I. Gohberg*, Tel Aviv University, Israel
M. A. Kaashoek, Vrije University, Netherlands
L. Rodman, College of William & Mary
(8894719)

9:00 a.m.
H infinitycontrol theory and generalized NevanlinnaPick interpolation.
Joseph A. Ball*, Virginia Polytechnic Institute and State University
(8899366)

9:30 a.m.
Rank decomposition under combinatorial constraints.
Charles Johnson*, College of William and Mary
(8891592)

10:00 a.m.
Extensions of positive Fredholm kernels.
Mihaly Bakonyi*, Georgia State University
Hugo J. Woerdeman, College of William and Mary
(88947727)

10:30 a.m.
Maximum entropy and joint norm bounds for operator extensions.
Mihaly Bakonyi, Georgia State University
Victor G. Kaftal, University of Cincinnati
Gary Weiss, University of Cincinnati
Hugo J. Woerdeman*, College of William and Mary
(8894737)

Wednesday January 12, 1994, 2:15 p.m.6:05 p.m.
AMS Special Session on Operator Theory, Nonself Adjoint Operator Algebras, and Control Theory, II

2:15 p.m.
Introduction to H infinity optimization theory in robust feedback control.
A. Tannenbaum*, University of Minnesota, Minneapolis
(88993181)

3:15 p.m.
Rigorous analysis of realworld control systems.
B. Morton*, Honeywell Technology Center
(88993179)

3:45 p.m.
Decentralized control of discreteevent systems.
K. Rudie*, Queen's University
(88946180)

4:15 p.m.
On multivariable two block H infinity control problem.
Hitay \"Ozbay*, Ohio State University, Columbus
(8899333)

4:45 p.m.
Control systems design with H_2 and H infinity design specifications.
Mario A. Rotea*, Purdue University, West Lafayette
(88993663)

5:15 p.m.
Completions of partial triangular matrices: Recent results and open problems.
Leiba Rodman*, College of William and Mary
(8891532)

5:45 p.m.
Nonlinear operator theory arising from nonlinear systems.
J. William Helton*, University of California at San Diego, La Jolla
(8894731)

Thursday January 13, 1994, 8:00 a.m.10:50 a.m.
AMS Special Session on Operator Theory, Nonself Adjoint Operator Algebras, and Control Theory, III

8:00 a.m.
The permanence of central intertwining liftings.
Ciprian Foia\c s*, Indiana State University
(88947133)

9:00 a.m.
On the twoblock H infinity problem for a class of unstable distributed systems.
Caixing Gu*, Indiana University, Bloomington
Onur Toker, Ohio State University, Columbus
Hitay \"Ozbay, Ohio State University, Columbus
(88947222)

9:30 a.m.
On superoptimal approximations by analytic and meromorphic functions.
Sergei Treil*, Michigan State University
(88947118)

10:00 a.m.
Construction of superoptimal approximation by matrix analytic functions.
Vladimir V. Peller*, Kansas State University
(88947129)

10:30 a.m.
A generalization of Pick's theorem for uniform algebras and related results on Hilbert space operators.
Brian J. Cole*, Brown University
John Wermer, Brown University
(88930652)

Thursday January 13, 1994, 2:15 p.m.4:05 p.m.
AMS Special Session on Operator Theory, Nonself Adjoint Operator Algebras, and Control Theory, IV

2:15 p.m.
The radical conjecture for CSL algebras.
Kenneth R. Davidson*, University of Waterloo
John L. Orr, University of Nebraska
(8894767)

2:45 p.m.
Orthogonal wavelets and local commutants.
Xingde Dai, University of North Carolina at Charlotte
David R. Larson*, Texas A\thsp\&\thsp M University, College Station
(88947144)

3:15 p.m.
Some results on triangular algebras.
John L. Orr*, University of Nebraska, Lincoln
(88916123)

3:45 p.m.
Recent results on structured singular values.
Hari Bercovici*, Indiana University, Bloomington
(8894791)
Inquiries: meet@ams.org