Valentin Matache---Vita---May 2008
- Education
- B.S. University of Timisoara (Romania) 1982
- I-st Ph.D. University of Timisoara (Romania) 1994
- II-d Ph.D. The University of Kansas 1998
-
Profesional History
- Junior-High and High School Math. Instructor 1982-1985
- Math. Instructor University of Timisoara 1985-1990
- Assistant Professor University of Timisoara 1990-1994
- GTA The University of Kansas 1994-1998
- Assistant Professor The University of Puerto Rico 1998-1999
- Assistant Professor The University of Nebraska at Omaha 1999-2003
- Associate Professor The University of Nebraska at Omaha 2003-
2008
- Professor The University of Nebraska at Omaha
2008-present
Talks
- Spectrum of a composition operator on weighted sequence spaces ,
The 4-th National Conference on Functional Analysis , Univ. of Craiova
(Romania) , 1987
- On the Mobius invariant function spaces , International Conference
on Complex Function Theory , Bucarest 1988
- Hilbert spaces with operator valued reproducing kernel , 5-th National
Conference on Functional Analysis , Univ. of Craiova (Romania), 1989
- On the invariant subspaces of the hyperbolic composition operator ,
12-th International Conference on Operator Theory , Predeal (Romania) ,
1990
- Operators having dense orbits , 13-th International Conference on
Operator Theory , Timisoara (Romania), 1992
- Contractions having hypercyclic scalar multiples , International
Conference on Functional Analysis and Applications in honour of
B. Sz.-Nagy , Szeged (Hungary) , 1993
- Invariant subspaces of some universal operators acting on spaces of
holomorphic functions , International Conference on Complex Analysis ,
Timisoara (Romania) 1993
- Some spectral properties of hypercyclic operators ,23-d International
Seminar in Functional Analysis , Paseky (Cech Republic) 1993
- Latest developments in hypercyclic operator theory, 15-th International
Conference on Operator Theory, Timisoara (Romania) 1994
- Operators having dense orbits, GPOTS(Great Plains Operator Theory Simposium) 1995, Cincinnati, Ohio, May 17-20 1995
- The eigenfunctions of a certain composition operator, GPOTS 1996, Tempe,
Arizona, May 22--26 1996
- Minimal invariant cyclic subspaces for the hyperbolic composition operator,
RMMC Summer Conference "Composition Operators on Spaces of Analytic Functions",
Laramie, Wyoming, July 8-19 1996
- Composition operators on Hardy spaces of a half-plane, GPOTS 1997, Kingston (Canada), May 1997
- Composition operators on Hardy spaces of a half-plane, AMS regional Meeting,
Milwaukie, WI, 1997 (see Notices of the AMS, vol. 44, no. 9, Oct. 1997, pp. 1244)
- Composition Operators and a Certain Pull-Back Measure Formula, 932-nd AMS Regional Meeting, Manhattan, KS March 27-28, 1998
- Zero-Free Solutions for the Schroeder Functional Equation on the Ploydisk, Mathematics and Statistics Centennial Celebration, University of Nebraska, Lincoln, NE May 14-16, 1998
- Carleson Measures and Composition Operators, GPOTS 1998, Manhattan, KS May 27-31, 1998
- Numerical Ranges of Composition Operators, AMS Regional Meeting 936, Winston-Salem, NC, October 9-10, 1998
- Invertible Composition Operators and the Invariant Subspace Problem, XIV-th SIDIM, San Juan, Puerto Rico, April 10, 1999
- Numerical Ranges, Composition Operators, and Computer Assisted Analysis
, Iowa-Nebraska Functional Analysis Seminar, Drake Univ., Des Moines, IA, October, 1999
- The Numerical Range or the field of Values of a Linear operator
, Second Regional Workshop in Mathematics and Statistics, Lincoln, NE, November 1999
- The Numerical Ranges of Certain Hilbert Space Operators
, workshop in Linear Analysis and Probability, Texas A&M Univ., August 2000
- Operator Self-Similar Stochastic Processes
, SUMIRFAS 2000, Texas A&M Univ., August 2000.
- Numerical Ranges of Some Special Classes of Operators
, 2001 Spring Central Section Meeting of the AMS, March 30-31, 2001 Lawrence, KS (Meeting # 964, Notices Program Issue: May 2001).
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Function Theory and Operator Theory
, Fourth Regional Workshop in Mathematical Sciences, Lincoln, NE,
November 2001.
-
Operator Semigroups and Stochastic Processes
,
GPOTS(Great Plains
Operator Theory Symposium) 2002, Charlotte, North Carolina, May 22-25, 2002.
-
When are composition operators close to each other?
, Sixth Regional Workshop in Mathematical Sciences, Lincoln, NE,
November 7--8, 2003.
-
Composition operators and strong convergence of iterate sequences to the Denjoy-Wolff point
, 20th International Conference on Operator Theory
June 30 - July 5, 2004
West University Timisoara,
Timisoara, Romania.
-
On norms of and distances between composition operators
, 1015-TH AMS Meeting, Forida International University, Miami, FL, April 1--2, 2006.
- Composition and weighted composition operators on
Hardy and Hardy-Smirnov spaces, Complex & Harmonic Analysis, Thessaloniki,
Greece, May 25-27, 2006.
- S-Toeplitz composition
operators, GPOTS(Great Plains
Operator Theory Symposium) 2007, May 15-20, Lincoln, NE.
-
Some problems in functional operator theory exhibiting a nice interplay between
operator theory and function theory, Iowa-Nebraska
Functional Analysis Seminar, Drake Univ., Des Moines, IA, April, 2008.
Publications
Teaching Awards
- Alumni Outstanding Teaching Award 2003, University of Nebraska, Omaha NE.
- Kerrigan Award for Excellence in the Teaching of Mathematics 2005, University of Nebraska, Omaha NE.
Mathematics Education Activity
- Coached for Romanian Olimpic Team 1985
- Co-Organized yearly the Math. Competition Traian Lalescu for High School Kids
hosted by University of Timisoara 1986-1994
- Taught Problem Solving Course for Duke University, TIP (Talent
Identification Program, for Junior-High School Kids) 1995
High School Level Mathematics Publications
- Tests and solved problems for the National Contest Traian Lalescu ,
Univ. of Timisoara , Problem book 7(1987)
- Tests and solved problems for the National Contest Traian Lalescu ,
Univ. of Timisoara , Problem book 8(1988)
- On the Fibonacci sequence , Romanian Math. Gazette B , 3(1989) ,97-104