August 2016 - Banach - mathdept.okstate.edu

Infinite Dimensional Analysis:Celebrating Richard Aron's Work and Impact
by Bentuo Zheng (bzheng) 20 Aug '16

20 Aug '16

Dear All, There is to correct the title of the previous announcement. Dear Friends, The Analysis group at Kent State University is happy to announce a conference "Infinite Dimensional Analysis:Celebrating Richard Aron's Work and Impact" which will be held at the Department of Mathematical Sciences at Kent State University, October 28 - 30, 2016. Please, find all information about participants and the list of (preliminary) plenary speakers at www.math.kent.edu/ida2016<http://www.math.kent.edu/ida2016> 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. Please, register (over the website) as soon as possible. Note that to receive support and/or help with hotel reservation, you must be register before September 30st, 2016. 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. 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 Bentuo Zheng Associate Professor, Department of Mathematical Sciences, College of Arts and Sciences [UofM logo] The University of Memphis 359 Dunn Hall Memphis, TN 38152<http://www.memphis.edu/emailsignatures/emailsignaturemac.php#> 901.678<http://www.memphis.edu/emailsignatures/emailsignaturemac.php#>.3534 | memphis.edu<http://www.memphis.edu/> [UofM tw]<https://www.facebook.com/uofmemphis> [UofM tw] <https://twitter.com/uofmemphis> [UofM tw] <https://instagram.com/uofmemphis>

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INFORMAL ANALYSIS SEMINAR DEDICATED TO THE WORK OF JOE DIESTEL (March 20-21, 2010)
by Artem Zvavitch 20 Aug '16

20 Aug '16

Dear Friends, On Saturday - Sunday, March 20-21, 2010, (best arrival date Friday, March 19/ Departure Monday, March 22) the Department of Mathematical Sciences at Kent State University will be famous but still very informal. We are happy to announce an: INFORMAL ANALYSIS SEMINAR DEDICATED TO THE WORK OF JOE DIESTEL The following people are among speakers: Peter Casazza, Hans Jarchow, Alexander Koldobsky, Pepe Orihuela, Olek Pelczynski, Thomas Schlumprecht, Lutz Weis. It would be great if you could visit Kent State and participate in the seminar! The conference will have a registration fee of $200 WHICH INCLUDES: pick up/drop off from the airport, THREE DAY STAY in the Microtel hotel at Streetsboro, Saturday/Sunday lunches/dinners to be provided at the department. If you plan to stay fewer than 3 nights or prefer to make your own accommodation arrangements, please reduce your registration fee by $45 per day that you will not use our hotel arrangements. If possible, please send a check for your registration fee, made out to the Department of Mathematical Sciences, Kent State University. The check should be mailed to Virginia Wright, Department of Mathematical Sciences, Kent State University, Kent, OH, 44242. The fee can be also be paid during the registration (check/cash). The conference is supported by NSF; The Department of Mathematical Sciences and Kent State University. Depending on funds availability the fee may be waived for young researchers and people without available funding. Please, write as soon as possible to zvavitch(a)math.kent.edu May we ask you to respond as soon as February 19 (zvavitch(a)math.kent.edu) so that we can gauge the need for housing, lecture room(s), etc. Best Regards, Analysis group at Kent State!

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Positivity IX Conference Annoucement
by Bentuo Zheng (bzheng) 19 Aug '16

19 Aug '16

Subject: Positivity IX, July 17-21, 2017 Dear Colleagues, This is the first announcement for Positivity IX, an international conference devoted to ordered structures and their applications. The conference will be held on July 17-21, 2017 at the University of Alberta, Edmonton, Canada. The conference web site can be found here: http://www.math.ualberta.ca/~vtroitsky/positivity2017 Please feel free to forward this information to anyone who may be interested. We would appreciate if you could inform us of your intention to participate as soon as possible. We are looking forward to your participation in Positivity IX. Kind regards, Vladimir Troitsky and Foivos Xanthos

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Abstract of a paper by Jose Rodriguez
by Bentuo Zheng (bzheng) 31 Jul '16

31 Jul '16

This is an announcement for the paper “Open problems in Banach spaces and measure theory” by Jose Rodriguez<http://arxiv.org/find/math/1/au:+Rodriguez_J/0/1/0/all/0/1>. Abstract: We collect several open questions in Banach spaces, mostly related to measure theoretic aspects of the theory. The problems are divided into five categories: miscellaneous problems in Banach spaces (non-separable $L_p$ spaces, compactness in Banach spaces, $w^*$-null sequences in dual spaces), measurability in Banach spaces (Baire and Borel $\sigma$-algebras, measurable selectors), vector integration (Riemann, Pettis and McShane integrals), vector measures (range and associated $L_1$ spaces) and Lebesgue-Bochner spaces (topological and structural properties, scalar convergence).. The paper may be downloaded from the archive by web browser from URL http://arxiv.org/abs/1607.07787

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Abstract of a paper by Kevin Beanland, Ryan M Causey
by Bentuo Zheng (bzheng) 31 Jul '16

31 Jul '16

This is an announcement for the paper “Quantitative Factorization of weakly compact, Rosenthal, and $\xi$-Banach-Saks operators” by Kevin Beanland<http://arxiv.org/find/math/1/au:+Beanland_K/0/1/0/all/0/1>, Ryan M Causey<http://arxiv.org/find/math/1/au:+Causey_R/0/1/0/all/0/1>. Abstract: We prove quantitative factorization results for several classes of operators, including weakly compact, Rosenthal, and $\xi$-Banach-Saks operators. The paper may be downloaded from the archive by web browser from URL http://arxiv.org/abs/1607.07512

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Abstract of a paper by Christina Brech, Jordi Lopez-Abad, Stevo Todorcevic
by Bentuo Zheng (bzheng) 31 Jul '16

31 Jul '16

This is an announcement for the paper “Homogeneous families on trees and subsymmetric basic sequences” by Christina Brech<http://arxiv.org/find/math/1/au:+Brech_C/0/1/0/all/0/1>, Jordi Lopez-Abad<http://arxiv.org/find/math/1/au:+Lopez_Abad_J/0/1/0/all/0/1>, Stevo Todorcevic<http://arxiv.org/find/math/1/au:+Todorcevic_S/0/1/0/all/0/1>. Abstract: We study density requirements on a given Banach space that guarantee the existence of subsymmetric basic sequences by extending Tsirelson's well-known space to larger index sets. We prove that for every cardinal $\kappa$ smaller than the first Mahlo cardinal there is a reflexive Banach space of density $\kappa$ without subsymmetric basic sequences. As for Tsirelson's space, our construction is based on the existence of a rich collection of homogeneous families on large index sets for which one can estimate the complexity on any given infinite set. This is used to describe detailedly the asymptotic structure of the spaces. The collections of families are of independent interest and their existence is proved inductively. The fundamental stepping up argument is the analysis of such collections of families on trees. The paper may be downloaded from the archive by web browser from URL http://arxiv.org/abs/1607.06135

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Abstract of a paper by Bruno de Mendonça Braga
by Bentuo Zheng (bzheng) 31 Jul '16

31 Jul '16

This is an announcement for the paper “On weaker notions of nonlinear embeddings between Banach spaces” by Bruno de Mendonça Braga<http://arxiv.org/find/math/1/au:+Braga_B/0/1/0/all/0/1>. Abstract: In this paper, we study nonlinear embeddings between Banach spaces. More specifically, the goal of this paper is to study weaker versions of coarse and uniform embeddability, and to provide suggestive evidences that those weaker embeddings may be stronger than one would think. We do such by proving that many known results for coarse and uniform embeddings remain valid for those weaker notions of embeddings. The paper may be downloaded from the archive by web browser from URL http://arxiv.org/abs/1607.06127

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Abstract of a paper by D. Freeman, E. Odell, B. Sari, B. Zheng
by Bentuo Zheng (bzheng) 31 Jul '16

31 Jul '16

This is an announcement for the paper “On spreading sequences and asymptotic structures” by D. Freeman<http://arxiv.org/find/math/1/au:+Freeman_D/0/1/0/all/0/1>, E. Odell<http://arxiv.org/find/math/1/au:+Odell_E/0/1/0/all/0/1>, B. Sari<http://arxiv.org/find/math/1/au:+Sari_B/0/1/0/all/0/1>, B. Zheng<http://arxiv.org/find/math/1/au:+Zheng_B/0/1/0/all/0/1>. Abstract: In the first part of the paper we study the structure of Banach spaces with a conditional spreading basis. The geometry of such spaces exhibit a striking resemblance to the geometry of James' space. Further, we show that the averaging projections onto subspaces spanned by constant coefficient blocks with no gaps between supports are bounded. As a consequence, every Banach space with a spreading basis contains a complemented subspace with an unconditional basis. This gives an affirmative answer to a question of H. Rosenthal. The second part contains two results on Banach spaces X whose asymptotic structures are closely related to $c_0$ and do not contain a copy of $\ell_1$: i) Suppose X has a normalized weakly null basis $(x_i)$ and every spreading model $(e_i)$ of a normalized weakly null block basis satisfies $\|e_1-e_2\|=1$. Then some subsequence of $(x_i)$ is equivalent to the unit vector basis of $c_0$. This generalizes a similar theorem of Odell and Schlumprecht, and yields a new proof of the Elton-Odell theorem on the existence of infinite $1+\epsilon$-separated sequences in the unit sphere of an arbitrary infinite dimensional Banach space. ii) Suppose that all asymptotic models of $X$ generated by weakly null arrays are equivalent to the unit vector basis of $c_0$. Then $X^*$ is separable and $X$ is asymptotic-$c_0$ with respect to a shrinking basis $(y_i)$ of $Y\supseteq X$. The paper may be downloaded from the archive by web browser from URL http://arxiv.org/abs/1607.03587

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Abstract of a paper by Al Azhary Masta, Hendra Gunawan, Wono Setya Budhi
by Bentuo Zheng (bzheng) 31 Jul '16

31 Jul '16

This is an announcement for the paper “Inclusion properties of Orlicz and weak Orlicz spaces” by Al Azhary Masta<http://arxiv.org/find/math/1/au:+Masta_A/0/1/0/all/0/1>, Hendra Gunawan<http://arxiv.org/find/math/1/au:+Gunawan_H/0/1/0/all/0/1>, Wono Setya Budhi<http://arxiv.org/find/math/1/au:+Budhi_W/0/1/0/all/0/1>. Abstract: In this paper we discuss the structure of Orlicz spaces and weak Orlicz spaces on $R_n$. We obtain some necessary and sufficient conditions for the inclusion property of these spaces. One of the keys is to compute the norm of the characteristic functions of the balls in $R_n$. The paper may be downloaded from the archive by web browser from URL http://arxiv.org/abs/1607.03214

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Abstract of a paper by Lei Li, Dongyang Chen, J. Alejandro Chávez-Domínguez
by Bentuo Zheng (bzheng) 31 Jul '16

31 Jul '16

This is an announcement for the paper “Pełczyński's property $(V^*)$ of order $p$ and its quantification” by Lei Li<http://arxiv.org/find/math/1/au:+Li_L/0/1/0/all/0/1>, Dongyang Chen<http://arxiv.org/find/math/1/au:+Chen_D/0/1/0/all/0/1>, J. Alejandro Chávez-Domínguez<http://arxiv.org/find/math/1/au:+Ch%7Ba%7Dvez_Dom%7Bi%7Dnguez_J/0/1/0/all/0…>. Abstract: We introduce the concepts of Pe{\l}czy\'{n}ski's property $(V)$ of order $p$ and Pe{\l}czy\'{n}ski's property $(V^*)$ of order $p$. It is proved that, for each $1<p<\infty$, the James $p$-space $J_p$ enjoys Pe{\l}czy\'{n}ski's property $(V^*)$ of order $p$ and the James $p^*$-space $J_{p^*}$ (where $p^*$ denotes the conjugate number of $p$) enjoys Pe{\l}czy\'{n}ski's property $(V)$ of order $p$. We prove that both $L_1(\mu)$ ($\mu$ a finite positive measure) and $\ell_1$ enjoy the quantitative version of Pe{\l}czy\'{n}ski's property $(V^*)$. The paper may be downloaded from the archive by web browser from URL http://arxiv.org/abs/1607.02163

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