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Your search keyword '"Tudor Bi^nzar"' showing total 6 results
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6 results on '"Tudor Bi^nzar"'

1. On the Inner Multi-Analytic Operators

Author

Tudor Bi^nzar, Flavius Pater, Ludovic Dan Lemle, Theodore E. Simos, George Psihoyios, and Ch. Tsitouras

Subjects
Algebra, Constant coefficients, Mathematics::Commutative Algebra, Mathematics::Operator Algebras, Microlocal analysis, Quantum Physics, Spectral theorem, Operator theory, Operator norm, Fourier integral operator, Mathematics, Mathematical Operators
Abstract

Some classical results [4] about the analytic operators have been generalized by G. Popescu [2, 3] to multi‐analytic operators. In this paper we shall generalize Popescu’s results about the inner multi‐analytic operators associated with two family of noncommuting isometries.

Published
2010

2. L[sup ∞]-Uniqueness and Liouville Property for One-Dimensional Diffusions

Author

Ludovic Dan Lemle, Tudor Bi^nzar, Flavius Lucian Pater, Theodore E. Simos, George Psihoyios, and Ch. Tsitouras

Subjects
High Energy Physics::Theory, Integrable system, Parametrix, Ordinary differential equation, Mathematical analysis, Fokker–Planck equation, Sturm–Liouville theory, Uniqueness, Mathematics::Spectral Theory, Liouville field theory, Operator theory, Mathematics
Abstract

In this short paper, we present the equivalence between L∞‐uniqueness and Liouville property for one‐dimensional diffusion operator.

Published
2010

3. On a Wold-Slocinski’s Type Decomposition of a Pair of Commuting Semigroups of Isometries

Author

Flavius Pater, Ludovic Dan Lemle, Tudor Bi^nzar, Theodore E. Simos, George Psihoyios, and Ch. Tsitouras

Subjects
Discrete mathematics, Pure mathematics, Representation of a Lie group, Mathematics::Operator Algebras, Simple Lie group, Cartan decomposition, Decomposition (computer science), Lie group, Uniqueness, Type (model theory), Operator theory, Mathematics
Abstract

In this paper the Wold‐Slocinski’s type decompositions of a pair of commuting semigroups of isometries are considered. Some results about the existence of this decomposition are given. The uniqueness of this decomposition (if it exists) is proved.

Published
2010

4. On Some Yosida Type Approximation Theorems

Author

Flavius Pater, Ludovic Dan Lemle, Tudor Bi^nzar, Theodore E. Simos, George Psihoyios, and Ch. Tsitouras

Subjects
Filtered algebra, Algebra, Power series, Pure mathematics, Operator (computer programming), Current algebra, Universal enveloping algebra, Spouge's approximation, Affine Lie algebra, Minimax approximation algorithm, Mathematics
Abstract

The aim of this paper is to present two types of operatorial approximation theorems for operators from the algebra (QS(X))0 which approximate an operator T on a convergent power series.

Published
2009

5. Some Extensions of a B. Sz.-Nagy Type Theorem with Application in the Stochastic Processes

Author

Tudor Bi^nzar, Flavius Pater, Ludovic Dan Lemle, Theodore E. Simos, George Psihoyios, and Ch. Tsitouras

Subjects
Discrete mathematics, symbols.namesake, Kernel (algebra), Complex space, Representer theorem, Kernel embedding of distributions, Hilbert space, symbols, Space (mathematics), Kernel principal component analysis, Mathematics, Reproducing kernel Hilbert space
Abstract

The aim of this paper is to prove analogue of Gorniak and Weron’s theorems for operators from a linear complex space to its Z‐antidual space, using the well known reproducing kernel technique.

Published
2009

6. L[sup 1]-Uniqueness of Weak Solution for One-Dimensional mass Transport Equation

Author

Ludovic Dan Lemle, Tudor Bi^nzar, Flavius Pater, Theodore E. Simos, George Psihoyios, and Ch. Tsitouras

Subjects
Mass transport, Numerical analysis, Weak solution, Short paper, Mathematical analysis, Heat transfer, Uniqueness, Convection–diffusion equation, Mathematics
Abstract

In this short paper we present a necessary and sufficient condition for that the one‐dimensional mass transport equation has one unique L1 weak solution.

Published
2009

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