Banach

banach@mathdept.okstate.edu

2549 discussions

Announcement of New URL for Banach Space Bulletin Board
by Bentuo Zheng (bzheng) 01 Dec '19

01 Dec '19

Dear All, After over a half year the so called “updating and transition” of the University of Memphis IT system, eventually we do not have any server to host personal website for faculty (except a blog type website which is extremely inconvenient). So I decided to transfer the URL of the Banach Space Bulletin board to the following address using a free service: https://bentuo.wixsite.com/banach To avoid flooding everybody’s email box with too many announcements for the past half a year, I will let you check the link of the most recent preprints by yourself. Best regards, Bentuo Zheng

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Annoucement
by Bentuo Zheng (bzheng) 06 Sep '19

06 Sep '19

Dear member of the Banach mailing list, Banach J. Math. Anal., a Springer/Birkhäuser (JCR-Q2) journal, is pleased to announce a topical issue entitled "Noncommutative Analysis". The journal solicits papers in its scope with a emphasize on the following topics: 1. Noncommutative Geometry 2. Noncommutative Topology 3. Noncommutative Probability 4. Noncommutative Harmonic Analysis 5. Noncommutative Measure Theory 6. Noncommutative Spaces The list of editors of the journal can be found here: https://www.springer.com/birkhauser/mathematics/journal/43037?detailsPage=e… The deadline for submission to this special issue is *** 29 February 2020***. Please acknowledge your willingness (possibility) to contribute to the issue preferably by October 31, 2019to the editor-in-chief. All papers should be submitted via the Editorial Manager System at https://www.editorialmanager.com/JMAN/default.aspx If possible, please put your paper in the Springer journal's style which can be downloded at http://static.springer.com/sgw/documents/468198/application/zip/LaTeX_DL_46… The papers should have a length of 15-35 pages (but exceptionally, longer papers may be accepted).There are no mandatory publication charges in Springer/Birkhäuser for authors of this journal. All the Best, Mox S. Moslehian Editor-in-chief moslehian(a)yahoo.com<mailto:moslehian@yahoo.com>

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Informal Analysis Seminar February 24-25, 2018
by Artem Zvavitch 05 Sep '19

05 Sep '19

Dear Colleagues, The Analysis group at Kent State University is happy to announce a meeting of the Informal Analysis Seminar, which will be held at the Department of Mathematical Sciences at Kent State University, February 24-25. The seminar will feature plenary speakers Robert Connelly (Cornell University), and Peter Sternberg (Indiana University) Each speaker will deliver a four hour lecture series designed to be accessible for graduate students. Funding is available to cover the local and travel expenses of a limited number of participants. Graduate students, postdoctoral researchers, and members of underrepresented groups are particularly encouraged to apply for support. A poster session will be held for researchers to display their work. Graduate students are particularly encouraged to submit a poster. Posters can be submitted electronically in PDF format. Further information, and an online registration form, can be found online http://www.math.kent.edu/informal We encourage you to register as soon as possible, but to receive support and/or help with hotel reservation, please register before January 29, 2018. Finally, please feel free to forward this email to any colleagues or students who you think may be interested in attending. Best regards, The Kent State Analysis Group

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Special issue dedicated to Prof. F. H. Szafraniec
by Bentuo Zheng (bzheng) 19 Jul '19

19 Jul '19

Dear members of the Banach mailing list, I am glad to inform you that the Advances in Operator Theory (AIOT) with a professional editorial board is published by Springer/Birkhauser (from issues of 2020): https://www.springer.com/birkhauser/mathematics/journal/43036 Based on a recommendation of Prof. Jan Stochel, a special issue of AIOT is considered to be dedicated to Prof. Franciszek Hugon Szafraniec on occasion of his 80th birthday for his significant contributions to several mathematics subjects including operator theory (Hilbert space methods, Extensions and dilations of operators, bounded and unbounded operators, reproducing kernel spaces, mathematical physics). I would like to invite you to contribute an article in the scope of the journal to this special issue, which will be published in 2020 (or under some unexpected events in 2021). The deadline for submission to this special issue is *** 31 December 2019***. Please acknowledge your willingness (possibility) to contribute to the issue by July 31, 2019. All papers should be submitted via the Editorial Manager System at (but not email): https://www.editorialmanager.com/aiot/default.aspx If possible (not mandatory), please put your paper in the Springer journal's style which can be found at http://static.springer.com/sgw/documents/468198/application/zip/LaTeX_DL_46… The usual reviewing procedures and standards of AIOT will be applied to all manuscripts for the special issues. Short papers, preliminary papers, or summaries of results previously published are not acceptable. There are no mandatory publication charges for authors in this journal. All the Best, Mox Moslehian Editor-in-chief

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Workshop on Banach spaces and Banach lattices September 9 to 13, 2019 (ICMAT Madrid, Spain)
by ANTONIO AVILES LOPEZ 06 Jun '19

06 Jun '19

Dear colleagues, We would like to announce the forthcoming Workshop on Banach spaces and Banach lattices September 9 to 13, 2019 (ICMAT Madrid, Spain) Further information can be found in the webpage https://www.icmat.es/congresos/2019/BSBL/ Invited speakers include: Jesús M. F. Castillo (Universidad de Extremadura) Valentin Ferenczi (Universidade de São Paulo) Gilles Godefroy (Institut de Mathématiques de Jussieu) Anke Kalauch (Technische Universität Dresden) Ondřej Kalenda (Charles University Prague) Denny Leung (National University of Singapur) Mieczysław Mastyło (Adam Mickiewicz University) Eva Pernecka (Czech Technical University Prague) Gideon Schechtman (Weizmann Institute of Science) Vladimir Troitsky (University of Alberta) Looking forward to meeting you in Madrid, A. Avilés, H. Jardón, P. Tradacete

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Workshop in Analysis and Probability
by Bentuo Zheng (bzheng) 23 Apr '19

23 Apr '19

Dear All, This is an announcement of the the summer workshop at Texas A&M University. Workshop in Analysis and Probability Department of Mathematics Texas A&M University Summer 2019 The Summer 2019 Workshop in Analysis and Probability at Texas A&M University will be in session from July 8 to August 9. All activities will take place in the Blocker Building. The homepage of the Workshop can be found at http://www.math.tamu.edu/~kerr/workshop [www.math.tamu.edu<http://www.math.tamu.edu>] The Summer Informal Regional Functional Analysis Seminar (SUMIRFAS) will be held July 26-28. Its homepage is located at http://www.math.tamu.edu/~kerr/workshop/sumirfas2019 [www.math.tamu.edu<http://www.math.tamu.edu>] July 22-26 there will be a Concentration Week, "Randomness and Determinism in Compressive Data Acquisition", organized by Simon Foucart, William Johnson, Deanna Needell, and Rachel Ward. This meeting aims at providing a forum for mathematicians to exchange ideas with computer scientists, statisticians, and engineers on topics related to compressive sensing. These include probabilistic techniques, pseudorandomness and derandomization, and extensions to data science at large. The homepage of the Concentration Week is located at https://www.math.tamu.edu/~foucart/CW19 [www.math.tamu.edu<http://www.math.tamu.edu>] The Workshop is supported in part by grants from the National Science Foundation (NSF). Minorities, women, graduate students, and young researchers are especially encouraged to attend. For logistical support, including requests for support, please contact Cara Starmer <cara(a)math.tamu.edu<mailto:cara@math.tamu.edu>>. For more information on the Workshop itself, please contact Irina Holmes <irinaholmes(a)math.tamu.edu<mailto:irinaholmes@math.tamu.edu>>, William Johnson <johnson(a)math.tamu.edu<mailto:johnson@math.tamu.edu>>, David Kerr <kerr(a)math.tamu.edu<mailto:kerr@math.tamu.edu>>, or Eviatar Procaccia <procaccia(a)math.tamu.edu<mailto:procaccia@math.tamu.edu>>. For information about the Concentration Week "Randomness and Determinism in Compressive Data Acquisition" please contact Simon Foucart <foucart(a)tamu.edu<mailto:foucart@tamu.edu>>

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Abstract of a paper by Florent P. Baudier, Pavlos Motakis, Thomas Schlumprecht, András Zsák
by Bentuo Zheng (bzheng) 01 Mar '19

01 Mar '19

This is an announcement for the paper “On the bi-Lipschitz geometry of lamplighter graphs” by Florent P. Baudier<https://arxiv.org/search/math?searchtype=author&query=Baudier%2C+F+P>, Pavlos Motakis<https://arxiv.org/search/math?searchtype=author&query=Motakis%2C+P>, Thomas Schlumprecht<https://arxiv.org/search/math?searchtype=author&query=Schlumprecht%2C+T>, András Zsák<https://arxiv.org/search/math?searchtype=author&query=Zs%C3%A1k%2C+A>. Abstract: In this article we start a systematic study of the bi-Lipschitz geometry of lamplighter graphs. We prove that lamplighter graphs over trees bi-Lipschitzly embed into Hamming cubes with distortion at most $6$. It follows that lamplighter graphs over countable trees bi-Lipschitzly embed into $\ell_1$. We study the metric behaviour of the operation of taking the lamplighter graph over the vertex-coalescence of two graphs. Based on this analysis, we provide metric characterizations of superreflexivity in terms of lamplighter graphs over star graphs or rose graphs. Finally, we show that the presence of a clique in a graph implies the presence of a Hamming cube in the lamplighter graph over it. The paper may be downloaded from the archive by web browser from URL https://arxiv.org/abs/1902.07098

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Abstract of a paper by Sofiya Ostrovska, Mikhail Ostrovskii
by Bentuo Zheng (bzheng) 01 Mar '19

01 Mar '19

This is an announcement for the paper “Generalized transportation cost spaces” by Sofiya Ostrovska<https://arxiv.org/search/math?searchtype=author&query=Ostrovska%2C+S>, Mikhail Ostrovskii<https://arxiv.org/search/math?searchtype=author&query=Ostrovskii%2C+M>. Abstract: The paper is devoted to the geometry of transportation cost spaces and their generalizations introduced by Melleray, Petrov, and Vershik (2008). Transportation cost spaces are also known as Arens-Eells, Lipschitz-free, or Wasserstein $1$ spaces. In this work, the existence of metric spaces with the following properties is proved: (1) uniformly discrete infinite metric spaces transportation cost spaces on which do not contain isometric copies of $\ell_1$, this result answers a question raised by Cuth and Johanis (2017); (2) locally finite metric spaces which admit isometric embeddings only into Banach spaces containing isometric copies of $\ell_1$; (3) metric spaces for which the double-point norm is not a norm. In addition, it is proved that the double-point norm spaces corresponding to trees are close to $\ell_\infty^d$ of the corresponding dimension, and that for all finite metric spaces $M$, except a very special class, the infimum of all seminorms for which the embedding of $M$ into the corresponding seminormed space is isometric, is not a seminorm. The paper may be downloaded from the archive by web browser from URL https://arxiv.org/abs/1902.10334

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Abstract of a paper by Denka Kutzarova, Pavlos Motakis
by Bentuo Zheng (bzheng) 01 Mar '19

01 Mar '19

This is an announcement for the paper “Asymptotically symmetric spaces with hereditarily non-unique spreading models” by Denka Kutzarova<https://arxiv.org/search/math?searchtype=author&query=Kutzarova%2C+D>, Pavlos Motakis<https://arxiv.org/search/math?searchtype=author&query=Motakis%2C+P>. Abstract: We examine a variant of a Banach space $\mathfrak{X}_{0,1}$ defined by Argyros, Beanland, and the second named author that has the property that it admits precisely two spreading models in every infinite dimensional subspace. We prove that this space is asymptotically symmetric and thus it provides a negative answer to a problem of Junge, the first. named author, and Odell. The paper may be downloaded from the archive by web browser from URL https://arxiv.org/abs/1902.10098

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Abstract of a paper by Spiros A. Argyros, Pavlos Motakis
by Bentuo Zheng (bzheng) 01 Mar '19

01 Mar '19

This is an announcement for the paper “On the complete separation of asymptotic structures in Banach spaces” by Spiros A. Argyros<https://arxiv.org/search/math?searchtype=author&query=Argyros%2C+S+A>, Pavlos Motakis<https://arxiv.org/search/math?searchtype=author&query=Motakis%2C+P>. Abstract: Let $(e_i)_i$ denote the unit vector basis of $\ell_p$, $1\leq p< \infty$, or $c_0$. We construct a reflexive Banach space with an unconditional basis that admits $(e_i)_i$ as a uniformly unique spreading model while it has no subspace with a unique asymptotic model, and hence it has no asymptotic-$\ell_p$ or $c_0$ subspace. This solves a problem of E. Odell. We also construct a space with a unique $\ell_1$ spreading model and no subspace with a uniformly unique $\ell_1$ spreading model. These results are achieved with the utilization of a new version of the method of saturation under constraints that uses sequences of functionals with increasing weights. https://arxiv.org/abs/1902.10092

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