Ilya Spitkovsky: search on Z-Library

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1

The numerical range of 3 × 3 matrices

Dennis S. Keeler, Leiba Rodman, Ilya M. Spitkovsky

Journal:

Linear Algebra and its Applications

Year:

1997

Language:

english

File:

PDF, 1.31 MB

english, 1997

2

Ratio Numerical Ranges of Operators

Leiba Rodman, Ilya M. Spitkovsky

Journal:

Integral Equations and Operator Theory

Year:

2011

Language:

english

File:

PDF, 224 KB

english, 2011

3

On Matrices with Elliptical Numerical Ranges

Brown *, Ethan S., Spitkovsky, Ilya M.

Journal:

Linear and Multilinear Algebra

Year:

2004

Language:

english

File:

PDF, 330 KB

english, 2004

4

Similarity Between Two Projections

Böttcher, Albrecht, Simon, Barry, Spitkovsky, Ilya

Journal:

Integral Equations and Operator Theory

Year:

2017

Language:

english

File:

PDF, 468 KB

english, 2017

5

On the numerical range of some block matrices with scalar diagonal blocks

Geryba, Titas, Spitkovsky, Ilya M.

Journal:

Linear and Multilinear Algebra

Year:

2020

File:

PDF, 1.58 MB

2020

6

Singular integral operators with PC symbols on the spaces with general weights

Ilya Spitkovsky

Journal:

Journal of Functional Analysis

Year:

1992

Language:

english

File:

PDF, 646 KB

english, 1992

7

Non-denseness of factorable matrix functions

Alex Brudnyi, Leiba Rodman, Ilya M. Spitkovsky

Journal:

Journal of Functional Analysis

Year:

2011

Language:

english

File:

PDF, 233 KB

english, 2011

8

Norms of the singular integral operator with Cauchy Kernel along certain contours

Israel Feldman, Naum Krupnik, Ilya Spitkovsky

Journal:

Integral Equations and Operator Theory

Year:

1996

Language:

english

File:

PDF, 509 KB

english, 1996

9

Banach algebras of singular integral operators with piecewise continuous coefficients. General contour and weight

Israel Gohberg, Naum Krupnik, Ilya Spitkovsky

Journal:

Integral Equations and Operator Theory

Year:

1993

Language:

english

File:

PDF, 665 KB

english, 1993

10

Factorization in Weighted Wiener Matrix Algebras on Linearly Ordered Abelian Groups

Torsten Ehrhardt, Cornelis van der Mee, Leiba Rodman, Ilya M. Spitkovsky

Journal:

Integral Equations and Operator Theory

Year:

2007

Language:

english

File:

PDF, 261 KB

english, 2007

11

Connectedness of Spectra of Toeplitz Operators on Hardy Spaces with Muckenhoupt Weights Over Carleson Curves

Alexei Yu. Karlovich, Ilya M. Spitkovsky

Journal:

Integral Equations and Operator Theory

Year:

2009

Language:

english

File:

PDF, 392 KB

english, 2009

12

On the Norms of Singular Integral Operators on Contours with Intersections

Naum Krupnik, Ilya M. Spitkovsky

Journal:

Complex Analysis and Operator Theory

Year:

2008

Language:

english

File:

PDF, 442 KB

english, 2008

13

Toeplitz operators with PQC symbols on weighted Hardy spaces

Albrecht Böttcher, Ilya M Spitkovsky

Journal:

Journal of Functional Analysis

Year:

1991

Language:

english

File:

PDF, 1.13 MB

english, 1991

14

On eigenvalues and boundary curvature of the numerical range

Lauren Caston, Milena Savova, Ilya Spitkovsky, Nahum Zobin

Journal:

Linear Algebra and its Applications

Year:

2001

Language:

english

File:

PDF, 110 KB

english, 2001

15

Numerical ranges of Toeplitz operators with matrix symbols

Natalia Bebiano, Ilya M. Spitkovsky

Journal:

Linear Algebra and its Applications

Year:

2012

Language:

english

File:

PDF, 229 KB

english, 2012

16

Numerical ranges of companion matrices: flat portions on the boundary

Eldred, Jeffrey, Rodman, Leiba, Spitkovsky, Ilya

Journal:

Linear and Multilinear Algebra

Year:

2012

Language:

english

File:

PDF, 241 KB

english, 2012

17

Operator Theory, Pseudo-Differential Equations, and Mathematical Physics || Morrey-Campanato Spaces: an Overview

Karlovich, Yuri I., Rodino, Luigi, Silbermann, Bernd, Spitkovsky, Ilya M.

Year:

2013

Language:

english

File:

PDF, 489 KB

english, 2013

18

On Numerical Ranges of Rank-Two Operators

Leiba Rodman,Ilya M. Spitkovsky

Journal:

Integral Equations and Operator Theory

Year:

2013

Language:

english

File:

PDF, 209 KB

english, 2013

19

Topics in Operator Theory || WEighted Composition Operators on the Bloch Space of a Bounded Homogeneous Domain

Ball, Joseph A., Bolotnikov, Vladimir, Rodman, Leiba, Helton, J. William, Spitkovsky, Ilya M.

Year:

2010

Language:

english

File:

PDF, 413 KB

english, 2010

20

Factorization of Matrices with Symmetries over Function Algebras

Rodman, Leiba, Spitkovsky, Ilya M.

Journal:

Integral Equations and Operator Theory

Year:

2014

Language:

english

File:

PDF, 540 KB

english, 2014

21

On the numerical range behavior under the generalized Aluthge transform

Rose, David E. V., Spitkovsky, Ilya M.

Journal:

Linear and Multilinear Algebra

Year:

2008

Language:

english

File:

PDF, 166 KB

english, 2008

22

Carathéodory-Toeplitz and Nehari Problems for Matrix Valued Almost Periodic Functions

Leiba Rodman, Ilya M. Spitkovsky and Hugo J. Woerdeman

Journal:

Transactions of the American Mathematical Society

Year:

1998

Language:

english

File:

PDF, 1011 KB

english, 1998

23

On the numerical ranges of some tridiagonal matrices

Chien, Ruey Ting, Spitkovsky, Ilya M.

Journal:

Linear Algebra and its Applications

Year:

2015

Language:

english

File:

PDF, 769 KB

english, 2015

24

A Note on the Factorization of Some Structured Matrix Functions

Spitkovsky, Ilya M., Voronin, Anatoly F.

Journal:

Integral Equations and Operator Theory

Year:

2018

Language:

english

File:

PDF, 471 KB

english, 2018

25

Once more on algebras generated by two projections

Ilya Spitkovsky

Journal:

Linear Algebra and its Applications

Year:

1994

Language:

english

File:

PDF, 846 KB

english, 1994

26

Algebras of almost periodic functions with Bohr–Fourier spectrum in a semigroup: Hermite property and its applications

Leiba Rodman, Ilya M. Spitkovsky

Journal:

Journal of Functional Analysis

Year:

2008

Language:

english

File:

PDF, 209 KB

english, 2008

27

Projective free algebras of continuous functions on compact abelian groups

Alex Brudnyi, Leiba Rodman, Ilya M. Spitkovsky

Journal:

Journal of Functional Analysis

Year:

2010

Language:

english

File:

PDF, 190 KB

english, 2010

28

Factorization of matrix functions with subgroup supported Fourier coefficients

Leiba Rodman, Ilya M. Spitkovsky

Journal:

Journal of Mathematical Analysis and Applications

Year:

2006

Language:

english

File:

PDF, 131 KB

english, 2006

29

Sets of matrices with given joint numerical range

Naum Krupnik, Ilya M. Spitkovsky

Journal:

Linear Algebra and its Applications

Year:

2006

Language:

english

File:

PDF, 217 KB

english, 2006

30

Short biography of Shmuel Friedland for his special LAA volume

Abraham Berman, Christian Krattenthaler, Siegfried M. Rump, Ilya Spitkovsky, Fuzhen Zhang

Journal:

Linear Algebra and its Applications

Year:

2009

Language:

english

File:

PDF, 227 KB

english, 2009

31

On common invariant cones for families of matrices

Leiba Rodman, Hakan Seyalioglu, Ilya M. Spitkovsky

Journal:

Linear Algebra and its Applications

Year:

2010

Language:

english

File:

PDF, 225 KB

english, 2010

32

The ratio field of values

Eduard Einstein, Charles R. Johnson, Brian Lins, Ilya Spitkovsky

Journal:

Linear Algebra and its Applications

Year:

2011

Language:

english

File:

PDF, 2.17 MB

english, 2011

33

On numerical ranges and roots

Chi-Kwong Li, Leiba Rodman, Ilya M. Spitkovsky

Journal:

Journal of Mathematical Analysis and Applications

Year:

2003

Language:

english

File:

PDF, 132 KB

english, 2003

34

On the characterization of 2×2 ρ-contraction matrices

Kazuyoshi Okubo, Ilya Spitkovsky

Journal:

Linear Algebra and its Applications

Year:

2001

Language:

english

File:

PDF, 109 KB

english, 2001

35

Birkhoff's theorem and convex hulls of Coxeter groups

Nicholas McCarthy, David Ogilvie, Ilya Spitkovsky, Nahum Zobin

Journal:

Linear Algebra and its Applications

Year:

2002

Language:

english

File:

PDF, 136 KB

english, 2002

36

Equality of higher numerical ranges of matrices and a conjecture of Kippenhahn on Hermitian pencils

Chi-Kwong Li, Ilya Spitkovsky, Sudheer Shukla

Journal:

Linear Algebra and its Applications

Year:

1998

Language:

english

File:

PDF, 997 KB

english, 1998

37

Almost periodic factorization of block triangular matrix functions revisited

Yuri I. Karlovich, Ilya M. Spitkovsky, Ronald A. Walker

Journal:

Linear Algebra and its Applications

Year:

1999

Language:

english

File:

PDF, 278 KB

english, 1999

38

On flat portions on the boundary of the numerical range

Ethan S. Brown, Ilya M. Spitkovsky

Journal:

Linear Algebra and its Applications

Year:

2004

Language:

english

File:

PDF, 369 KB

english, 2004

39

Topics in Operator Theory Volume 235 || Best Constant Inequalities Involving the Analytic and Co-Analytic Projection

Ball, Joseph A., Bolotnikov, Vladimir, Rodman, Leiba, Helton, J. William, Spitkovsky, Ilya M.

Year:

2010

Language:

english

File:

PDF, 297 KB

english, 2010

40

On singular integral operators with semi-almost periodic coefficients on variable Lebesgue spaces

Alexei Yu. Karlovich, Ilya M. Spitkovsky

Journal:

Journal of Mathematical Analysis and Applications

Year:

2011

Language:

english

File:

PDF, 274 KB

english, 2011

41

Numerical ranges of cube roots of the identity

Thomas Ryan Harris, Michael Mazzella, Linda J. Patton, David Renfrew, Ilya M. Spitkovsky

Journal:

Linear Algebra and its Applications

Year:

2011

Language:

english

File:

PDF, 341 KB

english, 2011

42

Topics in Operator Theory || On Compactness of Operators in Variable Exponent Lebesgue Spaces

Ball, Joseph A., Bolotnikov, Vladimir, Rodman, Leiba, Helton, J. William, Spitkovsky, Ilya M.

Year:

2010

Language:

english

File:

PDF, 282 KB

english, 2010

43

Operator Theory, Pseudo-Differential Equations, and Mathematical Physics || Pseudodifferential Operators on Variable Lebesgue Spaces

Karlovich, Yuri I., Rodino, Luigi, Silbermann, Bernd, Spitkovsky, Ilya M.

Year:

2013

Language:

english

File:

PDF, 322 KB

english, 2013

44

Compressions of linearly independent selfadjoint operators

Leiba Rodman, Ilya M. Spitkovsky

Journal:

Linear Algebra and its Applications

Year:

2012

Language:

english

File:

PDF, 279 KB

english, 2012

45

Convolution Operators and Factorization of Almost Periodic Matrix Functions || Introduction to Matrix Wiener-Hopf Operators

Böttcher, Albrecht, Karlovich, Yuri I., Spitkovsky, Ilya M.

Year:

2002

Language:

english

File:

PDF, 1.21 MB

english, 2002

46

Topics in Operator Theory || Survey on the Best Constants in the Theory of One-dimensional Singular Integral Operators

Ball, Joseph A., Bolotnikov, Vladimir, Rodman, Leiba, Helton, J. William, Spitkovsky, Ilya M.

Year:

2010

Language:

english

File:

PDF, 418 KB

english, 2010

47

Convolution Operators and Factorization of Almost Periodic Matrix Functions || Introduction to Scalar Wiener-Hopf Operators

Böttcher, Albrecht, Karlovich, Yuri I., Spitkovsky, Ilya M.

Year:

2002

Language:

english

File:

PDF, 1.93 MB

english, 2002

48

Continuity properties of vectors realizing points in the classical field of values

Corey, Dan, Johnson, Charles R., Kirk, Ryan, Lins, Brian, Spitkovsky, Ilya

Journal:

Linear and Multilinear Algebra

Year:

2013

Language:

english

File:

PDF, 247 KB

english, 2013

49

Numerical range of some doubly stochastic matrices

Camenga, Kristin A., Rault, Patrick X., Rossi, Daniel J., Sendova, Tsvetanka, Spitkovsky, Ilya M.

Journal:

Applied Mathematics and Computation

Year:

2013

Language:

english

File:

PDF, 821 KB

english, 2013

50

Topics in Operator Theory ||

Ball, Joseph A., Bolotnikov, Vladimir, Rodman, Leiba, Spitkovsky, Ilya M., Helton, J. William

Year:

2010

Language:

english

File:

PDF, 3.12 MB

english, 2010