Some Recent Papers - A Repository
125.
Weak stability and quasistability,
Rendiconti del Circolo Matematico di Palermo 73(8)
(2024) 3217-3228,
(C.S. Kubrusly and P.C.M. Vieira).
Or
Springer Link
124.
Forms of biisometric operators and biorthogonality,
Linear and Multilinear Algebra 72(18)
(2024) 3217-3230,
(B.P. Duggal and C.S. Kubrusly).
Or
Taylor & Francis Online
123.
Convergence of power sequences of operators via their stability,
Banach Journal of Mathematical Analysis 18(4)
(2024) 1-27,
(Z.J. Jablonski, I.B. Jung, C.S. Kubrusly, and J. Stochel).
Or
Springer Link
122.
Weak supercyclicity - An expository survey,
Results in Mathematics 79(5)
(2024) 1-30,
(C.S. Kubrusly).
Or
Springer Link
121.
Weak l-sequential supercyclicity and weak quasistability,
Rendiconti del Circolo Matematico di Palermo 73(2)
(2024) 663-673,
(C.S. Kubrusly and B.P. Duggal).
Or
Springer Link
120.
Closed-range posinormal operators and their products,
Linear Algebra and its Application 671
(2023) 38-58,
(P.S. Bourdon, C.S. Kubrusly, T. Le, and D. Thompson).
Or
ScienceDirect
119.
Erratum/Addendum to Biisometric operators and biorthogonal sequences,
Bulletin of the Korean Mathematical Society 60
(2023) 845-848,
(C.S. Kubrusly and N. Levan).
Or
Bull. Korean Math. Soc.
118.
Erratum/Addendum to Powers of posinormal operators,
Operators and Matrices 16
(2022) 1239-1242,
(C.S. Kubrusly, P.C.M. Vieira and J. Zani).
Or
Ele-Math
117.
Restriction of uniform corssnorms,
New York Journal of Mathematics 28
(2022) 1656-1666,
(C.S. Kubrusly).
Or
EMIS Access
116.
On extensions of bilinear maps,
Mathematica Slovaca 72
(2022) 959-968,
(C.S. Kubrusly).
Or
De Gruyter Access
115.
Trace-class and nuclear operators,
Concrete Operators 9
(2022) 53-69,
(C.S. Kubrusly).
Or
De Gruyter Open Access
114.
Weakly supercyclic power bounded operators of class C_{1.},
Advances in Mathematical Sciences and Applications 30
(2021) 571-585,
(C.S. Kubrusly and B.P. Duggal).
Or
AMSA Current Issues
113.
Algebraic tensor products revisited: Axiomatic approach,
Bulletin of the Malaysian Mathematical Sciences Society 44
(2021) 2335-2355,
(C.S. Kubrusly).
Or
Springer Link
112.
Power bounded m-left invertible operators,
Linear and Multilinear Algebra 69
(2021) 515-525,
(B.P. Duggal and C.S. Kubrusly).
Or
Taylor & Francis Online
111.
Asymptotic limits, Banach limits, and Cesaro means,
Advances in Mathematical Sciences and Applications 29
(2020) 145-170,
(C.S. Kubrusly and B.P. Duggal).
Or
AMSA Current Issues
110.
Denseness of sets of supercyclic vectors,
Mathematical Proceedings of the Royal Irish Academy 120A
(2020) 7-18,
(C.S. Kubrusly).
Or
JSTOR-RIA
109.
Biisometric operators and biorthogonal sequences,
Bulletin of the Korean Mathematical Society 56-3
(2019) 585-596,
(C.S. Kubrusly and N. Levan).
Or
Bull. Korean Math. Soc.
108.
Operators satisfying a similarity condition,
Linear and Multilinear Algebra 67
(2019) 896-910,
(B.P. Duggal, I.H. Kim and C.S. Kubrusly).
Or
Taylor & Francis Online
107.
Residual spectrum of power bounded operators,
Functional Analysis, Approximation and Computation 10-3
(2018) 21-26,
(A. Mello and C.S. Kubrusly).
Or
Funct. Anal. Approx. Comput.
106.
Range-kernel complementation,
Studia Scientiarum Mathematicarum Hungarica 55 (2018) 327-344,
(C.S. Kubrusly).
Or
Studia Sci. Math. Hungar.
105.
Boundedly spaced subsequences and weak dynamics,
Journal of Function Spaces 2018 (article id 4732836 -
(2018) 1-5,
(C.S. Kubrusly and P.C.M. Vieira).
Or
J. Funct. Spaces
104.
On weak supercyclicity I,
Mathematical Proceedings of the Royal Irish Academy 118A
(2018) 47-63,
(C.S. Kubrusly and B.P. Duggal).
Or
JSTOR-RIA
103.
On weak supercyclicity II,
Czechoslovak Mathematical Journal 68(143)
(2018) 371-386,
(C.S. Kubrusly and B.P. Duggal).
Or
Springer Link
102.
Distance between sets - A survey,
Advances in Mathematical Sciences and Applications 26
(2017) 1-18,
(A. Conci and C.S. Kubrusly).
Or
AMSA Current Issues
101.
A note on range-kernel uncomplementation,
Demonstratio Mathematica 50
(2017) 252-260,
(C.S. Kubrusly and B.P. Duggal).
Or
De Gruyter Open Access
100.
Perturbation of Banach space operators with a complemented range,
Glasgow Mathematical Journal 59
(2017) 659-671,
(B.P. Duggal and C.S. Kubrusly).
Or
Cambridge Core
99.
On similarity to normal operators,
Mediterranean Journal of Mathematics 13
(2016) 2073-2085,
(C.S. Kubrusly).
Or
Springer Link
98.
Quasiaffinity and invariant subspaces,
Archiv der Mathematik 107
(2016) 173-184,
(A. Mello and C.S. Kubrusly).
Or
Springer Link
97.
Upper-lower and left-right semi-Fredholmness,
Bulletin of the Belgian Mathematical Society - Simon Stevin 23
(2016) 217-233,
(C.S. Kubrusly and B.P. Duggal).
Or
Project Euclid
96.
Weyl spectral identity and biquasitriangularity,
Proceedings of the Edinburgh Mathematical Society 59
(2016) 363-375,
(C.S. Kubrusly and B.P. Duggal).
Or
Springer Link
95.
Singular-continuous unitaries and weak dynamics,
Mathematical Proceedings of the Royal Irish Academy 116A
(2016) 45-56,
(C.S. Kubrusly).
Or
JSTOR-RIA
94.
Powers of posinormal operators,
Operators and Matrices 10
(2016) 15-27,
(C.S. Kubrusly, P.C.M. Vieira and J. Zanni).
Or
Ele-Math
93.
Bishop's property (beta), a commutativity theorem and the dynamics of class A(s,t) operators,
Journal of Mathematical Analysis and Applications 427
(2015) 107-113,
(B.P. Duggal, C.S. Kubrusly and I.H. Kim).
Or
ScienceDirect
92.
Erratum/Addendum to PF property and property (beta) for paranormal operators,
Rendiconti del Circolo Matematico di Palermo 64
(2015) 167-170,
(B.P. Duggal and C.S. Kubrusly).
Or
Springer Link
91.
A note on compactness of tensor products,
Acta Mathematica Universitatis Comenianae 84
(2015) 59-62,
(J. Zanni and C.S. Kubrusly).
Or
Acta Math. Univ. Comenianae
90.
Contractions T for which A is a projection,
Acta Scientiarum Mathematicarum (Szeged) 80
(2014) 603-624,
(C.S. Kubrusly).
Or
ACTA
89.
Algebraic elementary operators,
Functional Analysis, Approximation and Computation 6
(2014) 43-50,
(B.P. Duggal, S. Djordjevic and C.S. Kubrusly).
Or
Funct. Anal. Approx. Comput.
88.
A Putnam-Fuglede commutativity property for Hilbert space operators,
Linear Algebra and its Application 458
(2014) 108-115,
(B.P. Duggal and C.S. Kubrusly).
Or
ScienceDirect
87.
Elementary operators, finite ascent, range closure and compactness,
Linear Algebra and its Applications 449
(2014) 334-349,
(B.P. Duggal, S.V. Djordjevic and C.S. Kubrusly)
Or
ScienceDirect
86.
Biquasitriangularity and derivations,
Functional Analysis, Approximation and Computation 6
(2014) 41-48,
(B.P. Duggal and C.S. Kubrusly).
Or
Funct. Anal. Approx. Comput.
85.
PF property and property (beta) for paranormal operators,
Rendiconti del Circolo Matematico di Palermo 63
(2014) 129-140,
(B.P. Duggal and C.S. Kubrusly).
Or
Springer Link
84.
Dual-shift decomposition and wavelets,
International Journal of Wavelets, Multiresolution and Information Processing 12
(2014) 14500143.1-14500143.15,
(N. Levan and C.S. Kubrusly).
Or
World Scientific
83.
s-Matrix inversion lemma,
Advances in Differential Equations and Control Processes 11
(2013) 135-144,
(N. Levan and C.S. Kubrusly)
Or
Pushpa Publishing House
82.
Exponential dichotomy and strongly stable vectors of Hilbert space contraction semigroups,
Matematicki Vesnik 65
(2013) 166-177,
(N. Levan and C.S. Kubrusly).
Or
Matematicki Vesnik
81.
Regular lattices of tensor products,
Linear Algebra and its Applications 438
(2013) 428-435,
(C.S. Kubrusly).
Or
ScienceDirect
80.
On Weyl's theorem for tensor products,
Glasgow Mathematical Journal 55
(2013) 139-144,
(C.S. Kubrusly and B.P. Duggal).
Or
Cambridge Core
79.
Exponential stability and dissipativity,
Functional Analysis, Approximation and Computation 4
(2012) 9-14,
(N. Levan and C.S. Kubrusly).
Or
Funct. Anal. Approx. Comput.
78.
Unitary equivalence and translation representation in wavelet theory,
International Journal of Wavelets, Multiresolution and Information Processing 10
(2012) 1250019.1-1250019.13,
(N. Levan and C.S. Kubrusly).
Or
World Scientific
77.
A note on Browder spectrum,
Bulletin of the Belgian Mathematical Society - Simon Stevin 19
(2012) 185-191,
(C.S. Kubrusly).
Or
Project Euclid
76.
Applications of Hilbert space dissipative norm,
Bulletin of the Korean Mathematical Society 49
(2012) 99-107,
(C.S. Kubrusly and N. Levan).
Or
Bull. Korean Math. Soc.
75.
On exponential stability of contraction semigroups,
Semigroup Forum 83
(2011) 513-521,
(C.S. Kubrusly and N. Levan).
Or
Springer Link
74.
Quasi-similar k-paranormal operators,
Operators and Matrices 5
(2011) 417-423,
(B.P. Duggal and C.S. Kubrusly).
Or
Ele-Math
73.
Preservation of tensor sum and tensor product,
Acta Mathematica Universitatis Comenianae 80
(2011) 133-142,
(C.S. Kubrusly and N. Levan).
Or
Acta Math. Univ. Comenianae
72.
On the a-Browder and a-Weyl spectra of tensor products,
Rendiconti del Circolo Matematico di Palermo 59
(2010) 473-481,
(B.P. Duggal, S.V. Djordjevic and C.S. Kubrusly).
Or
Springer Link
71.
Regular subspaces of tensor products,
Advances in Mathematical Sciences and Applications 20
(2010) 235-247,
(C.S. Kubrusly).
Or
AMSA Current Issues
70.
A note on k-paranormal operators,
Operators and Matrices 4
(2010) 213-223,
(C.S. Kubrusly and B.P. Duggal).
Or
Ele-Math
69.
Invariant subspaces of multiple tensor products,
Acta Scientiarum Mathematicarum (Szeged} 75
(2009) 679-692,
(C.S. Kubrusly).
Or
ACTA
68.
Stabilities of Hilbert space contraction semigroups revisited,
Semigroup Forum 79>
(2009) 341-348,
(C.S. Kubrusly and N. Levan).
Or
Springer Link
67.
Orthogonal decompositions for wavelets,
Applied Mathematics Letters 22
(2009) 1286-1291,
(C.S. Kubrusly and N. Levan).
Or
ScienceDirect
66.
Convergence and decomposition for tensor products of Hilbert space operators,
Operators and Matrices 2
(2008)) 407-416,
(C.S. Kubrusly and P.C.M. Vieira).
Or
Ele-Math
65.
On Weyl and Browder spectra of tensor products,
Glasgow Mathematical Journal 50
(2008) 289-302,
(C.S. Kubrusly and B.P. Duggal).
Or
Cambridge Core
64.
Fredholm theory in Hilbert space - A concise introductory exposition,
Bulletin of the Belgian Mathematical Society - Simon Stevin 15
(2008) 153-177,
(C.S. Kubrusly).
Or
Project Euclid
63.
Multilevel decomposition in Hilbert space,
Current Development in Theory and Applications of Wavelets 1
(2007) 273-292,
(S. Majumdar, N. Levan and C.S. Kubrusly).
Or
Pushpa Publishing House
62.
Tensor product of proper contractions, stable and posinormal operators,
Publicationes Mathematicae Debrecen 71
(2007) 425-437,
(C.S. Kubrusly).
Or
Publ. Math. Debrecen
61.
Multiplicative perturbation by contractions and uniform stability,
Zeitschrift fur Analysis und ihre Anwendungen 26
(2007) 391-406,
(P.C.M. Vieira and C.S. Kubrusly).
Or
EMS
60.
Reversed wavelet functions and subspaces,
International Journal of Wavelets, Multiresolution and Information Processing 5
(2007) 699-707,
(N. Levan and C.S. Kubrusly).
Or
World Scientific
59.
On posinormal operators,
Advances in Mathematical Sciences and Applications 17
(2007) 131-148,
(C.S. Kubrusly and B.P. Duggal).
Or
AMSA Current Issues
58.
Weyl's theorem for direct sums,
Studia Scientiarum Mathematicarum Hungarica 44
(2007) (2007) 275-290,
(B.P. Duggal and C.S. Kubrusly).
Or
Studia Sci. Math. Hungar.
57.
An introduction to time-shift equations,
Current Development in Theory and Applications of Wavelets 1
(2007) 97-106,
(N. Levan and C.S. Kubrusly).
Or
Pushpa Publishing House
56.
Abstract wavelets generated by Hilbert space shift operators,
Advances in Mathematical Sciences and Applications 16
(2006) 643-660,
(C.S. Kubrusly and N. Levan).
Or
AMSA Current Issues
55.
Multiresolution approximation scale and time-shift subspaces,
Multidimensional Systems and Signal Processing 17
(2006) 343-354,
(N. Levan and C.S. Kubrusly).
Or
University of California eScholarship Repository.
Or
Springer Link
54.
A concise introduction to tensor product,
Far East Journal of Mathematical Sciences 22
(2006) 137-174,
(C.S. Kubrusly).
Or
Pushpa Publishing House
53.
Totally hereditarily normaloid operators and Weyl's theorem
for an elementary operator,
Journal of Mathematical Analysis and Applications 312
(2005) 502-513,
(B.P. Duggal and C.S. Kubrusly).
Or
ScienceDirect
52.
Hereditarily normaloid contractions,
Acta Scientiarum Mathematicarum (Szeged} 71
(2005) 337-352,
(B.P. Duggal, S.V. Djordjevic and C.S. Kubrusly).
Or
ACTA
51.
Kato type operators and Weyl's theorem,
Journal of Mathematical Analysis and Applications 309
(2005) 433-441,
(B.P. Duggal, S.V. Djordjevic and C.S. Kubrusly).
Or
ScienceDirect
50.
Weyl's theorems for posinormal operators,
Journal of the Korean Mathematical Society 42
(2005) 529-541,
(B.P. Duggal and C.S. Kubrusly).
Or
J. Korean Math. Soc.
49.
Contractions of class Q and invariant subspaces,
Bulletin of the Korean Mathematical Society 42
(2005) 169-177,
(B.P. Duggal, C.S. Kubrusly and N. Levan).
Or
Bull. Korean Math. Soc.
48.
Time-shifts generalized multiresolution analysis over dyadic-scaling reducing subspaces,
International Journal of Wavelets, Multiresolution and Information Processing 2
(2004) 237-248,
(N. Levan and C.S. Kubrusly).
Or
University of California eScholarship Repository.
Or
World Scientific
47.
Paranormal contractions have property PF,
Far East Journal of Mathematical Sciences 14
(2004) 237-249,
(B.P. Duggal, C.S. Kubrusly).
Or
Pushpa Publishing House
46.
Three decades of the Lomonosov invariant subspace theorem,
Advances in Mathematical Sciences and Applications 14
(2004) 267-277,
(C.S. Kubrusly).
Or
AMSA Current Issues
45.
On generating wandering subspaces for unitary operators,
Advances in Mathematical Sciences and Applications 14
(2004) 41-48,
(C.S. Kubrusly and N. Levan).
Or
AMSA Current Issues
44.
Contractions satisfying the absolute value property |A|^2\le|A^2|,
Integral Equations and Operator Theory 49
(2004) 141-128,
(B.P. Duggal, I.H. Jeon and C.S. Kubrusly).
Or
Springer Link
43.
Shift reducing subspaces and irreducible-invariant subspaces generated by
wandering vectors and applications,
Mathematics and Computers in Simulation 65
(2004) 607-627,
(C.S. Kubrusly and N. Levan).
Or
University of California eScholarship Repository.
Or
Springer Link
42.
Paranormal contractions and invariant subspaces,
Journal of the Korean Mathematical Society 40
(2003) 933-942,
(B.P. Duggal, C.S. Kubrusly and N. Levan).
Or
J. Korean Math. Soc.
41.
A wavelet "time-shift-detail" decomposition,
Mathematics and Computers in Simulation 63
(2003) 73-78,
(N. Levan and C.S. Kubrusly).
Or
University of California eScholarship Repository.
Or
ScienceDirec
40.
Quasireducible operators,
International Journal of Mathematics and Mathematical Sciences 2003:31
(2003) 1993-2002,
(C.S. Kubrusly).
Or
Hindawi Publishing Corporation
39.
Contractions with C_{.0} direct summands,
Advances in Mathematical Sciences and Applications 11
(2001) 593-601,
(C.S. Kubrusly and B.P. Duggal).
Or
AMSA Current Issues
38.
Proper contractions and invariant subspaces,
International Journal of Mathematics and Mathematical Sciences 28
(2001) 223-230,
(C.S. Kubrusly and N. Levan).
Or
University of California eScholarship Repository.
Or
Hindawi Publishing Corporation.
37.
Invariant subspaces and quasiaffine transforms of unitary operators,
Progress in Nonlinear Differential Equations and their Applications 42
(2000) 167-173,
(C.S. Kubrusly).
Or
Springer Link
36.
Invariant subspaces for a class of C_{1.} - contractions,
Advances in Mathematical Sciences and Applications 9
(1999) 129-135,
(C.S. Kubrusly).
Or
AMSA Current Issues
35.
On uniform stability,
Advances in Mathematical Sciences and Applications 8
(1998) 95-100,
(P.C.M. Vieira, H. Malebranche and C.S. Kubrusly).
Or
AMSA Current Issues
34.
Equivalent invariant subspace problems,
Journal of Operator Theory 38
(1997) 323-328,
(C.S. Kubrusly).
Or
JOT
33.
Quadratic optimal control for discrete-time infinite-dimensional stochastic bilinear systems,
IMA Journal of Mathematical Control and Information 14
(1997) 385-399,
(O.L.V. Costa and C.S. Kubrusly).
Or
OUP Academic
32.
A decomposition for a class of contractions,
Advances in Mathematical Sciences and Applications 6
(1996) 523-530,
(C.S. Kubrusly, P.C.M. Vieira and D.O. Pinto).
Or
AMSA Current Issues
31.
State feedback H_\infty-control for discrete-time infinite-dimensional stochastic bilinear systems,
Journal of Mathematical Systems, Estimation, and Control 6
(1996) 1-32,
(O.L.V. Costa and C.S. Kubrusly).
Or
JMSEC-VT
30.
On mean-square stable bilinear systems,
IMA Journal of Mathematical Control and Information 12
(1995) 325-329,
(O.L.V. Costa, G.M.S. Ferreira and C.S. Kubrusly).
Or
OUP Academic
29.
Strong stability for cohyponormal operators,
Journal of Operator Theory 31
(1994) 123-127,
(C.S. Kubrusly and P.C.M. Vieira).
Or
JOT
28.
Riccati equation for infinite-dimensional discrete bilinear systems,
IMA Journal of Mathematical Control and Information 10
(1993) 273-291,
(O.L.V. Costa and C.S. Kubrusly).
Or
OUP Academic
27.
Similarity to contractions and weak stability,
Advances in Mathematical Sciences and Applications 2
(1993) 335-343,
(C.S. Kubrusly).
Or
AMSA Current Issues
26.
Mean-square stability for discrete bilinear systems in Hilbert space,
Systems and Control Letters 19
(1992) 205-211,
(C.S. Kubrusly and O.L.V. Costa).
Or
ScienceDirect
25.
Lyapunov equation for infinite-dimensional discrete bilinear systems,
Systems and Control Letters 17
(1991) 71-77,
(O.L.V. Costa and C.S. Kubrusly).
Or
ScienceDirect
24.
Constrained-input constrained-state stability in Banach space,
IMA Journal of Mathematical Control and Information 7
(1990) 113-124,
(C.S. Kubrusly and P.C.M. Vieira).
Or
OUP Academic
23.
Strong stability does not imply similarity to a contraction,
Systems and Control Letters 14
(1990) 397-400,
(C.S. Kubrusly).
Or
ScienceDirect
22.
A note on the Lyapunov equation for discrete linear systems in Hilbert space,
Applied Mathematics Letters 2
(1989) 349-352,
(C.S. Kubrusly).
Or
ScienceDirect
21.
On stochastic modelling for discrete bilinear systems in Hilbert space,
Mathematics and Computers in Simulation 31
(1989) 19-30,
(C.S. Kubrusly).
Or
ScienceDirect
20.
Uniform stability for time-varying infinite-dimensional discrete linear systems,
IMA Journal of Mathematical Control and Information 5
(1988) 291-292,
(C.S. Kubrusly).
Or
OUP Academic
19.
On the existence, evolution, and stability of infinite-dimensional stochastic discrete bilinear models,
Control-Theory and Advanced Technology 5
(1987) 271-287,
(C.S. Kubrusly).
Or
Google Books
18.
Quadratic-mean convergence and mean-square stability for discrete linear systems: A Hilbert-space approach,
IMA Journal of Mathematical Control and Information 4
(1987) 93-107,
(C.S. Kubrusly).
Or
OUP Academic
17.
On convergence of nuclear and correlation operators in Hilbert space,
Computational and Applied Mathematics (Matematica Aplicada e Computacional) 5
(1986) 265-282,
(C.S. Kubrusly).
Or
Google Books
16.
On discrete stochastic bilinear systems stability,
Journal of Mathematical Analysis and Applications 113
(1986) 36-58,
(C.S. Kubrusly).
Or
ScienceDirect
15.
Mean square stability conditions for discrete stochastic bilinear systems,
IEEE Transactions on Automatic Control AC-30
(1985) 36-58,
(C.S. Kubrusly and O.L.V. Costa).
Or
IEEE Xplore
14.
Sensors and controllers location in distributed systems - A survey,
Automatica - The IFAC Journal 21
(1985) 36-58,
(C.S. Kubrusly and H. Malebranche).
Or
ScienceDirect
13.
Mean square stability for discrete bounded linear systems in Hilbert space,
SIAM Journal on Control and Optimization 23
(1985) 36-58,
(C.S. Kubrusly).
Or
SIAM Publications Library
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Publication list
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