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Found 197 Documents (Results 1–100)

Lattice paths and branched continued fractions: an infinite sequence of generalizations of the Stieltjes-Rogers and Thron-Rogers polynomials, with coefficientwise Hankel-total positivity. (English) Zbl 1528.05001

Memoirs of the American Mathematical Society 1450. Providence, RI: American Mathematical Society (AMS) (ISBN 978-1-4704-6268-0/pbk; 978-1-4704-7683-0/ebook). v, 154 p. (2023).
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Total positivity of some polynomial matrices that enumerate labeled trees and forests. II. Rooted labeled trees and partial functional digraphs. arXiv:2302.03999

Preprint, arXiv:2302.03999 [math.CO] (2023).
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A closer look at the solution set of the truncated matricial moment problem \(\mathsf{M}[ [\alpha,\infty); (s_{j})_{j=0}^{m}, \preccurlyeq]\). (English) Zbl 1467.44007

Alpay, Daniel (ed.) et al., Complex function theory, operator theory, Schur analysis and systems theory. A volume in honor of V. E. Katsnelson. Cham: Birkhäuser. Oper. Theory: Adv. Appl. 280, 387-492 (2020).
MSC:  44A60 47A57 30E05
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A panorama of positivity. II: Fixed dimension. (English) Zbl 1452.15021

Dales, H. Garth (ed.) et al., Complex analysis and spectral theory. Conference in celebration of Thomas Ransford’s 60th birthday, Laval University, Québec, Canada, May 21–25, 2018. Providence, RI: American Mathematical Society (AMS). Contemp. Math. 743, 109-150 (2020).
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A panorama of positivity. I: Dimension free. (English) Zbl 1475.15040

Aleman, Alexandru (ed.) et al., Analysis of operators on function spaces. The Serguei Shimorin memorial volume. Including extended versions of lectures of the conference in honor of the memory of Serguei Shimorin at the Mittag-Leffler Institute, Stockholm, Sweden in the summer of 2018. Cham: Springer. Trends Math., 117-165 (2019).
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On matrix-valued Stieltjes functions with an emphasis on particular subclasses. (English) Zbl 1472.47011

Bini, Dario A. (ed.) et al., Large truncated Toeplitz matrices, Toeplitz operators, and related topics. The Albrecht Böttcher anniversary volume. Basel: Birkhäuser/Springer. Oper. Theory: Adv. Appl. 259, 301-352 (2017).
MSC:  47A56 30E05 44A60
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Jacobi-type block matrices corresponding to the two-dimensional moment problem: polynomials of the second kind and Weyl function. (English. Ukrainian original) Zbl 1490.44007

Ukr. Math. J. 68, No. 4, 557-569 (2016); translation from Ukr. Mat. Zh. 68, No. 4, 495-505 (2016).
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On a simultaneous approach to the even and odd truncated matricial Hamburger moment problems. (English) Zbl 1369.47015

Alpay, Daniel (ed.) et al., Recent advances in inverse scattering, Schur analysis and stochastic processes. A collection of papers dedicated to Lev Sakhnovich. Cham: Birkhäuser/Springer (ISBN 978-3-319-10334-1/hbk; 978-3-319-10335-8/ebook). Operator Theory: Advances and Applications 244. Linear Operators and Linear Systems, 181-285 (2015).
MSC:  47A57 44A60 30E05
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On maximal weight solutions of a moment problem for rational matrix-valued functions. (English) Zbl 1266.30019

Alpay, Daniel (ed.) et al., Interpolation, Schur functions and moment problems. II. Basel: Birkhäuser (ISBN 978-3-0348-0427-1/hbk; 978-3-0348-0428-8/ebook). Operator Theory: Advances and Applications 226. Linear Operators and Linear Systems, 251-300 (2012).
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On canonical solutions of a moment problem for rational matrix-valued functions. (English) Zbl 1257.30027

Arendt, Wolfgang (ed.) et al., Spectral theory, mathematical system theory, evolution equations, differential and difference equations. Selected papers of 21st international workshop on operator theory and applications, IWOTA10, Berlin, Germany, July 12–16, 2010. Basel: Birkhäuser (ISBN 978-3-0348-0296-3/hbk; 978-3-0348-0297-0/ebook). Operator Theory: Advances and Applications 221, 323-372 (2012).
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Interpolation, Schur functions and moment problems. II. (English) Zbl 1253.47002

Operator Theory: Advances and Applications 226. Linear Operators and Linear Systems. Basel: Birkhäuser (ISBN 978-3-0348-0427-1/hbk; 978-3-0348-0428-8/ebook). 300 p. (2012).
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On the exponential transform of lemniscates. (English) Zbl 1284.30025

Brändén, Petter (ed.) et al., Notions of positivity and the geometry of polynomials. Dedicated to the memory of Julius Borcea. Basel: Birkhäuser (ISBN 978-3-0348-0141-6/hbk; 978-3-0348-0142-3/ebook). Trends in Mathematics, 239-257 (2011).
MSC:  30E05 33C65 44A15
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On the Weyl matrix balls corresponding to the matricial Carathéodory problem in both nondegenerate and degenerate cases. (English) Zbl 1210.44004

Bini, Dario Andrea (ed.) et al., Numerical methods for structured matrices and applications. The Georg Heinig memorial volume. Basel: Birkhäuser (ISBN 978-3-7643-8995-6/hbk). Operator Theory: Advances and Applications 199, 289-332 (2010).
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The moment problem for rational measures: convexity in the spirit of Krein. (English) Zbl 1196.30028

Adamyan, Vadim (ed.) et al., Modern analysis and applications. The Mark Krein centenary conference. Volume 1: Operator theory and related topics. Papers based on invited talks at the international conference on modern analysis and applications, Odessa, Ukraine, April 9–14, 2007. Basel: Birkhäuser (ISBN 978-3-7643-9918-4/v.1; 978-3-7643-9919-1/ebook; 978-3-7643-9924-5/set). Operator Theory: Advances and Applications 190, 157-169 (2009).
MSC:  30E05 44A60
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Prolongation to the left of the Stieltjes moment sequence and related problems of the spectral theory of an inhomogeneous string. (Russian, English) Zbl 1150.44001

Ukr. Mat. Zh. 59, No. 6, 815-825 (2007); translation in Ukr. Math. J. 59, No. 6, 894-906 (2007).
MSC:  44A60 30E05
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Logarithmic order and type of indeterminate moment problems. (English) Zbl 1127.44006

Elaydi, S. (ed.) et al., Difference equations, special functions and orthogonal polynomials. Proceedings of the international conference, Munich, Germany, July 25–30, 2005. Hackensack, NJ: World Scientific (ISBN 978-981-270-643-0/hbk). 51-79 (2007).
MSC:  44A60 30D15 30E05
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