Banach April 2022

banach@mathdept.okstate.edu

3 participants
4 discussions

1st ANNOUNCEMENT OF BWB 2022
by Christina Brech 29 Apr '22

29 Apr '22

1st ANNOUNCEMENT OF BWB 2022 Brazilian Workshop in Banach Spaces - Butantã edition December 5-9, 2022 Butantã Campus of the University of São Paulo, Brazil We are glad to announce that we are organizing the 2022 edition of the Brazilian Workshop in Banach Spaces. This international conference will take place at the Butantã Campus of the University of São Paulo, in the city of São Paulo, in the week December 5-9, 2022. The scientific program will focus on the theory of geometry of Banach spaces, with emphasis on the following directions: Ramsey theory and set theory; homological theory, lattices and interpolation; operator theory and dynamics of operators; nonlinear theory on Banach spaces. The webpage of the workshop is under construction and is be available at http://www.ime.usp.br/~banach/bwb2022/ Registration will start mid 2022. Additional scientific and practical information will be given at that time. TENTATIVE PROGRAM Tutorials: Piotr Koszmider (Polish Academy of Sciences) Étienne Matheron (Université d'Artois) Eva Pernecka (Czech T. U. in Prague) Noé De Rancourt (Charles University) Plenary speakers: Frédéric Bayart (U. Clermont Auvergne) Geraldo Botelho (U. F. Uberlândia) Bruno Braga (U. Virginia & PUC Rio de Janeiro) Yolanda Moreno (U. Extremadura) Sofía Ortega Castillo (U. Guadalajara) Grzegorz Plebanek (Wroclaw U.) Pedro Tradacete (ICMAT - Madrid) Scientific committee Dana Bartosova (U. Florida) Christina Brech (U. São Paulo) Jesús Castillo (U. Extremadura) Valentin Ferenczi (U. São Paulo) Eloi Medina Galego (U. São Paulo) Sophie Grivaux (U. Lille) Jordi Lopez-Abad (UNED) Daniel Pellegrino (F. U. Paraíba) Michael Rincón (I. U. Santander & U. São Paulo) We are looking forward to meeting you this year in Brazil, Christina Brech, Alejandra Cáceres-Rigo, Leandro Candido, Willian Corrêa, Wilson Cuellar, Pedro Kaufmann, Victor S. Ronchim

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Banach spaces webinar on Friday 4/22 by Jarosław Swaczyna (Technical University of Łódź)
by Sari, Bunyamin 20 Apr '22

20 Apr '22

Hello, Please join us on Friday April 22 at 9AM (Central US time) for the following talk. Zoom link: https://unt.zoom.us/j/88007602660 Title: Continuity of coordinate functionals for filter Schauder basis Speaker: Jarosław Swaczyna (Technical University of Łódź) Abstract. Given a filter of subsets of natural numbers $F$ we say that a sequence $(x_n)$ is $F$-convergent to $x$ if for every $\varepsilon>0 $condition $\{n\in \N:d(x_n,x)<\varepsilon \}\in F$ holds. We may use this notion to generalize the idea of Schauder basis, namely we say that a sequence $(e_n)$ is an $F$-basis if for every $x\in X$ there exists a unique sequence of scalars $(\alpha_n)$ s.t. $\sum_{n,F} \alpha_n e_n=x$, which means that the sequence of partial sums is $F$-convergent to $x$. Once such a notion is introduced it is natural to ask whenever corresponding coordinate functionals are continuous. Such a question was posed by V. Kadets during the 4th conference Integration, Vector Measures, and Related Topics held in 2011 in Murcia. Surprisingly, there is an obstacle related to the lack of uniform boundedness of functionals related to $F$ basis, due to which we can not find proof of continuity analogous to the classical case. During my talk, I will discuss the problem and provide two proofs of continuity of considered functionals, which uses under some large cardinal assumptions. This is joint work with Tomasz Kania and Noe de Rancourt.

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Announcement of a Conference
by Bentuo Zheng (bzheng) 15 Apr '22

15 Apr '22

Dear Colleagues, Please find in the attachment the first official announcement of The International Online Conference “Current Trends in Abstract and Applied Analysis” which will be held (online) at Vasyl Stefanyk Precarpathian National University (Ivano-Frankivsk, Ukraine) on May 12-15, 2022. If you have any additional questions, please feel free to contact us by email cta(a)pnu.edu.ua<mailto:cta@pnu.edu.ua> or visit our website at https://conference.pu.if.ua/cta<https://nam02.safelinks.protection.outlook.com/?url=https%3A%2F%2Fconferenc…> . We look forward to seeing you. On behalf of the organizers, with best regards, Andriy Zagorodnyuk Serhii Sharyn Roman Dmytryshyn

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Annoucement
by Bentuo Zheng (bzheng) 04 Apr '22

04 Apr '22

ANNOUNCEMENT Acta Scientiarum Mathematicarum (Acta Sci Math (Szeged) in short, web page: https://nam02.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.sprin… the 100th anniversary of its foundation this year (the founders were Frigyes Riesz and Alfréd Haar). On this occasion, a special double issue is to be published including invited papers by distinguished researchers on Functional Analysis and Operator Theory who once published in the journal. Besides that, a Zoom meeting is organized where experts in those areas will celebrate this remarkable anniversary, and talks by leading scholars (who all contribute to that special double issue) will be delivered. The dates of the meeting are May 5-6, 2022. The speakers are Joseph A Ball (Virginia Tech), Alain Connes (Collège de France and IHES), Fritz Gesztesy (Baylor U), Javad Mashreghi (U Laval), Mihai Putinar (UCSB), Dan-Virgil Voiculescu (UC Berkeley) Attendance at the meeting is free but subject to registration. The easy registration can be done through the page https://nam02.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.math.u… where more details are (and will be) given. Lajos Molnar Editor-in-Chief

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Banach April 2022