Strong
nonnegative linearization of orthogonal polynomials, "Theory
and Applications of Special Functions. A Volume Dedicated to
Mizan Rahman" (eds. M. E. H. Ismail and E. Koelink),
Developments in Mathematics Vol. 13, Kluwer Acad. Publ. 2005,
461-477.
pdf
Orthogonal
polynomials and Banach algebras, "Inzell Lectures on
Orthogonal Polynomials,", W. zu Castell, F. Filbir, B. Forster
(eds.), Advances in the Theory of Special Functions and
Orthogonal Polynomials Nova Science Publishers, vol. 2 (2005),
103-139.
pdf.
(coauthors
F. Filbir, R. Lasser) Hypergroups of compact type, Journal
of Computational and Applied Mathematics, 178
(2005), 205-214. pdf.
(coauthors
F. Filbir, R. Lasser) Reiter's condition P_1 and approximate
identities for hypergroups, Monatshefte für Mathematik
143 (2004), 189-203. pdf.
A
necessary and sufficient condition for nonnegative
linearization of orthogonal polynomials, Constructive
Approximation 19 (2003), 565-573.
pdf.
(coauthor
W. M³otkowski) Nonnegative linearization of polynomials
orthogonal with respect to discrete measures, Constructive
Approximation17 (2001), 413-429.
pdf.
Nonnegative
linearization and quadratic transformation of Askey-Wilson
polynomials, Canadian Mathematical Bulletin39
(1996), 241-249.
pdf.
Nonnegative
linearization and q-ultraspherical polynomials, Methods
and Applications of Analysis2 (1995).
399-407.
pdf.
Wielomiany
ortogonalne i dyskretne zagadnienie brzegowe, (in Polish),
Proceedings of the XIII Annual Meeting of Polish
Mathematicians, Jachranka 1994, PTM, 181-187.
pdf.
Nonnegative
linearization of orthogonal polynomials, Colloquium
Mathematicum69 (1995), 309-316. pdf.
Convolution
structures and Haar matrices, Journal of Functional
Analysis113 (1993), 19-35. pdf.
Connection
coefficients of orthogonal polynomials with an application to
Legendre polynomials, in Applications of hypergroups and
Related Measures Algebras, (ed. A. L. Schwartz et. al.),
Seattle 1993, Contemporary Mathematics183
(1995), 341- 346.
pdf.
Connection
coefficients of orthogonal polynomials, Canadian
Mathematical Bulletin35 (1992), 548-556.
pdf.
(coathor
(C. Berg) Indeterminate Jacobi matrices, Journal of
Operator Theory (to appear 2024), pdf
(coauthor
C. Berg) Self-adjoint operators associated
with Hankel moment matrices, Journal
of Functional Analysis 283 (10) (2022), pdf
(coauthor
C. Berg) Closable Hankel operators and moment problems,
Integral Equations and Operator Theory92(1)
(2020), 1-9. pdf
(coauthor
E. A. van Doorn) On a property of random walk polynomials
involving Christoffel functions, Journal of Mathematical
Analysis and Applications 477 (1) (2019),
85-103. pdf.
Inhomogeneous
Jacobi matrices on trees Constructive
Approxiamtion48 (2)
(2018), 183–199.. pdf
(coauthor
C. Berg) Symmetric moment problems and a
conjecture of Valent, Matematiceskii
Sbornik 208
(2017), 28–53.pdf
(coauthor
C. Berg) A determinant characterization of moment sequences
with finitely many mass-points, Linear and Multilinear Algebra 63 (2015), 1568-1576. pdf
(coauthor
C. Berg) The order of indeterminate moment problems, Advances in Mathematics250 (2014), 105-143. pdf
(coauthor
C. Berg) The smallest eigenvalue of Hankel matrices, Constructive Approximation 34 (2011), 107-133.
pdf
coauthor
A. Kazun), Jacobi matrices on trees, Colloquium
Mathematicum 118 (2010),
465-497.
pdf
(coauthor
J. Obermaier) Orthogonal polynomials of discrete variable and
boundedness of Dirichlet kernel, Constructive
Approximation 27
(2008), 1-13. pdf.
(coauthor
J. Obermaier) Nonnegative linearization for little q-Laguerre
polynomials and Faber basis, Journal of Computational and
Applied Mathematics,199 (2007), 89-94.
pdf.
(coauthor
J. Obermaier) Polynomial bases for continuous function spaces,
in Trends and Applications
in Constructive Approximation (Eds.) M.G. de Bruin,
D.H. Mache, J. Szabados, International Series of
Numerical Mathematics Vol. 151, 195-205, 2005 Birkhãuser
Verlag Basel.
pdf.
Absolute
continuity of certain unbounded Jacobi matrices, Advanced
Problems in Constructive Approximation, (Eds.) M. D. Buhmann
and D. H. Mache, International Series of Numerical Mathematics
Vol. 142 (2003), 255-262. pdf.
(coauthors
F. Filbir, R. Girgensohn, A. Saxena, A. I. Singh) Simultaneous
preservation of orthogonality of polynomials by linear
operators arising from dilation of orthogonal polynomial
systems, Journal of Computational Analysis and
Applications 2 (2000), 177-213.
pdf.
(coauthor
M.O. Gebuhrer) On symmetry problem for discrete polynomial
hypergroups Proceedings of the American Mathematical
Society, 127 (1999), 1705-1709.
pdf.
A
counterexample to subexponential growth of orthogonal
polynomials, Constructive Approximation11
(1995), 381-389. pdf.
Uniform
subexponential growth of orthogonal polynomials, Journal
of Approximation Theory81 (1995),
296-302. pdf.
A lower
bound for orthogonal polynomials with an application to
polynomial hypergroups, Journal of Approximation Theory81 (1995), 145-150. pdf.
Positivity
of Turán's determinants for orthogonal polynomials II, Journal of
Approximation Theory 270 (2021). pdf
(coauthor
C. Berg) Bounds on Turán determinants, Journal of
Approximation Theory 161(2009), 127–141. pdf
Positivity
of Turán's determinants for orthogonal polynomials, in
Harmonic Analysis and Hypergroups (K.A. Ross et al., ed.)
Delhi 1995, Birkhauser, Boston-Basel-Berlin, 1998,
165-182. pdf.
(coauthors
U. Haagerup, T. Steenstrup) Schur Multipliers and
Spherical Functions on Homogeneous Trees, International Journal of
Mathematics, 21
(2010), 1337-1382. pdf.
(coauthor
T. Pytlik) Weak type radial convolution operators on free
group, Studia Mathematica 186 (2008), 77-86.pdf.
Tadek
Pytlik in my memories, Colloquium Mathematicum 108 (2007), 1-6. pdf.
(coauthor
M. Bo¿ejko) Algebraic length and Poincaré series on reflection
groups with applications to representation theory, Asymptotic
Combinatorics with Applications to Mathematical Physics, A. M.
Vershik (Ed.), Lecture Notes in Mathematics 1815
(2003), 201-221.
pdf.
Structure
of geodesics in the Cayley graph of infinite Coxeter groups, Colloquium
Mathematicum 95 (2003), 79-90. pdf.
The ratio
and generating function of cogrowth coefficients of finitely
generated groups, Studia Mathematica 131
(1998), 89-94.
pdf.
(coauthors
A. M. Mantero, T. Pytlik and A. Zappa) Equivalence of analytic
continuations of the principal series of representations for
the free group, Annali di Matematica Pura ed Applicata165 (1993), 23-28.pdf
Groups
acting on trees and approximation properties of the Fourier
algebra, Journal of Functional Analysis 95
(1991), 320-343.
pdf.
Banach
algebras associated with the spherical representations of the
free group, Pacific Journal of Mathematics143
(1990), 201-207.
pdf.
A short
proof of the Grigorchuk-Cohen cogrowth theorem, Proceedings
of
the American Mathematical Society106 (1989),
663-665. pdf
Matrix
coefficients of irreducible representations of free products
of groups, Studia Mathematica94 (1989),
179-185. pdf
An
analytic series of irreducible representations of the free
group, Annales de l'Institut Fourier de l'Université
Grenoble38 (1988), 87-110. pdf.
(coauthor
T. Pytlik) An analytic family of uniformly bounded
representations of free groups, Acta Mathematica157
(1986), 287-309.
pdf.
Convolution
operators of weak type (p,p) which are not of strong type
(p,p), Proceedings of the American Mathematical Society89 (1983), 184-185. pdf
Convolution
operators of weak type (2,2) which are not of strong type
(2,2), Proceedings of the American Mathematical Society87 (1983), 695-698. pdf
Nonlinear
integral inequalities of the Volterra type, Mathematical
Proceedings of Cambridge Philosophical Society 111 (1992),
599-608.
pdf.
Attraction
principle for nonlinear integral operators of the Volterra
type, Journal of Mathematical Analysis and Applications 170
(1992), 449-456.
pdf.
(coauthor W. W. Koczkodaj) On axiomatization of
inconsistency indicators in pairwise comparisons, Fundamenta Informaticae132 (2014), 485–500. pdf
(coauthors R. Khalil, B. Merdas) Erratum to the Khalil
paper "Multipliers of Schatten Classes", Journal of Functional Analysis63 (1985), 137-138. pdf
(coauthor K. Topolski) Limit theorems for stochastic
dynamical system arising in Ising model analysis
Probability and Mathematical Statistics 28.2 (2008), 257-270. pdf
Advanced Problem 6496 American Mathematical Monthly 94.2
(1987), 197-199. pdf