Lewkowicz, Izchak: search on Z-Library

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1

Passive linear continuous-time systems: Characterization through structure

Lewkowicz, Izchak

Journal:

Systems & Control Letters

Year:

2021

File:

PDF, 670 KB

2021

2

Remarks on equality in Johnson's lower bounds for the smallest singular value of a matrix

Izchak Lewkowicz

Journal:

Linear Algebra and its Applications

Year:

1989

Language:

english

File:

PDF, 234 KB

english, 1989

3

The positive real lemma and construction of all realizations of generalized positive rational functions

Daniel Alpay, Izchak Lewkowicz

Journal:

Systems & Control Letters

Year:

2011

Language:

english

File:

PDF, 316 KB

english, 2011

4

Bounds for the singular values of a matrix with nonnegative eigenvalues

Izchak Lewkowicz

Journal:

Linear Algebra and its Applications

Year:

1989

Language:

english

File:

PDF, 450 KB

english, 1989

5

Bounds for singular values based on the eigenvectors

Nir Cohen, Izchak Lewkowicz

Journal:

Linear Algebra and its Applications

Year:

1991

Language:

english

File:

PDF, 1.09 MB

english, 1991

6

Convex invertible cones and positive real analytic functions

Nir Cohen, Izchak Lewkowicz

Journal:

Linear Algebra and its Applications

Year:

2007

Language:

english

File:

PDF, 210 KB

english, 2007

7

The Lyapunov order for real matrices

Nir Cohen, Izchak Lewkowicz

Journal:

Linear Algebra and its Applications

Year:

2009

Language:

english

File:

PDF, 257 KB

english, 2009

8

An easy-to-compute factorization of rational generalized positive functions

Daniel Alpay, Izchak Lewkowicz

Journal:

Systems & Control Letters

Year:

2010

Language:

english

File:

PDF, 312 KB

english, 2010

9

A characterization of convex cones of matrices with constant regular inertia

Nir Cohen, Izchak Lewkowicz

Journal:

Linear Algebra and its Applications

Year:

2000

Language:

english

File:

PDF, 101 KB

english, 2000

10

A pair of matrices sharing common Lyapunov solutions—A closer look

Nir Cohen, Izchak Lewkowicz

Journal:

Linear Algebra and its Applications

Year:

2003

Language:

english

File:

PDF, 261 KB

english, 2003

11

Convex invertible cones of matrices — a unified framework for the equations of Sylvester, Lyapunov and Riccati

Izchak Lewkowicz

Journal:

Linear Algebra and its Applications

Year:

1999

Language:

english

File:

PDF, 2.50 MB

english, 1999

12

Exponential stability of triangular differential inclusion systems

Nir Cohen, Izchak Lewkowicz, Leiba Rodman

Journal:

Systems & Control Letters

Year:

1997

Language:

english

File:

PDF, 442 KB

english, 1997

13

A necessary condition for quantitative exponential stability of linear state-space systems

Izchak Lewkowicz

Journal:

Systems & Control Letters

Year:

1999

Language:

english

File:

PDF, 85 KB

english, 1999

14

Convex invertible cones of state space systems

Nir Cohen, Izchak Lewkowicz

Journal:

Mathematics of Control, Signals, and Systems (MCSS)

Year:

1997

Language:

english

File:

PDF, 1.25 MB

english, 1997

15

Convex invertible cones and the Lyapunov equation

Nir Cohen, Izchak Lewkowicz

Journal:

Linear Algebra and its Applications

Year:

1997

Language:

english

File:

PDF, 1.44 MB

english, 1997

16

Convex invertible sets and matrix sign function

Izchak Lewkowicz, Leiba Rodman, Elad J. Yarkoni

Journal:

Linear Algebra and its Applications

Year:

2005

Language:

english

File:

PDF, 424 KB

english, 2005

17

Convex cones of generalized positive rational functions and the Nevanlinna–Pick interpolation

Alpay, Daniel, Lewkowicz, Izchak

Journal:

Linear Algebra and its Applications

Year:

2013

Language:

english

File:

PDF, 375 KB

english, 2013

18

Interpolation by polynomials with symmetries

Alpay, Daniel, Lewkowicz, Izchak

Journal:

Linear Algebra and its Applications

Year:

2014

Language:

english

File:

PDF, 540 KB

english, 2014

19

Realizations of Slice Hyperholomorphic Generalized Contractive and Positive Functions

Alpay, Daniel, Colombo, Fabrizio, Lewkowicz, Izchak, Sabadini, Irene

Journal:

Milan Journal of Mathematics

Year:

2015

Language:

english

File:

PDF, 576 KB

english, 2015

20

Realizations of Infinite Products, Ruelle Operators and Wavelet Filters

Alpay, Daniel, Jorgensen, Palle, Lewkowicz, Izchak

Journal:

Journal of Fourier Analysis and Applications

Year:

2015

Language:

english

File:

PDF, 355 KB

english, 2015

21

A new realization of rational functions, with applications to linear combination interpolation, the Cuntz relations and kernel decompositions

Alpay, Daniel, Jorgensen, Palle, Lewkowicz, Izchak, Volok, Dan

Journal:

Complex Variables and Elliptic Equations

Year:

2016

Language:

english

File:

PDF, 383 KB

english, 2016

22

Characterizations of families of rectangular, finite impulse response, para-unitary systems

Alpay, Daniel, Jorgensen, Palle, Lewkowicz, Izchak

Journal:

Journal of Applied Mathematics and Computing

Year:

2017

Language:

english

File:

PDF, 615 KB

english, 2017

23

“Wrong” side interpolation by positive real rational functions

Alpay, Daniel, Lewkowicz, Izchak

Journal:

Linear Algebra and its Applications

Year:

2017

Language:

english

File:

PDF, 394 KB

english, 2017

24

Herglotz functions of several quaternionic variables

Abu-Ghanem, Khaled, Alpay, Daniel, Colombo, Fabrizio, Lewkowicz, Izchak, Sabadini, Irene

Journal:

Journal of Mathematical Analysis and Applications

Year:

2018

Language:

english

File:

PDF, 749 KB

english, 2018

25

Realization of tensor product and of tensor factorization of rational functions

Alpay, Daniel, Lewkowicz, Izchak

Journal:

Quantum Studies: Mathematics and Foundations

Year:

2019

Language:

english

File:

PDF, 310 KB

english, 2019

26

Composition of rational functions: State-space realization and applications

Alpay, Daniel, Lewkowicz, Izchak

Journal:

Linear Algebra and its Applications

Year:

2019

Language:

english

File:

PDF, 467 KB

english, 2019

27

On pseudo-spectral factorization over the complex numbers and quaternions

Alpay, Daniel, Colombo, Fabrizio, Lewkowicz, Izchak, Sabadini, Irene

Journal:

Linear Algebra and its Applications

Year:

2020

File:

PDF, 838 KB

2020