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Spaces of Dirichlet series with the complete Pick property (or: the...
John McCarthy and I have recently uploaded a new version of our paper “Spaces of Dirichlet series with the complete Pick property” to the arxiv. I would like to advertise the central discovery of this...
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Babies welcome in my class!
Re this news item (or here, in English): This is so wrong. Mothers to very young babies must be given the choice to bring their babies with them to their workplace, or to the college where they study....
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One of the most outrageous open problems in operator/matrix theory is solved!
I want to report on a very exciting development in operator/matrix theory: the von Neumann inequality for matrices has been shown to hold true. I learned this from a recent paper (with the irresistible...
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Something sweet for the new year
Tim Gowers recently announced the start of a new journal, “Discrete Analysis”. The sweet thing about this journal is that it is an arxiv overlay journal, meaning that the journal will act like most...
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Souvenirs from Bangalore 2015
Last week I attended the conference “Complex Geometry and Operator Theory” in Indian Statistical Institute, Bangalore. The conference was also an occasion to celebrate Gadadhar Misra‘s 60s birthday. As...
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Topic in Operator Theory 106435 (Spring 2016)
I am happy to announce that in spring semester I will be teaching a “topics” course in operator theory here at the Technion. This course is a graduate course, and is suitable for anyone who took the...
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Preprint update (Stable division and essential normality…)
Shibananda Biswas and I recently uploaded to the arxiv a new version of our paper “Stable division and essential normality: the non-homogeneous and quasi-homogeneous cases“. This is the paper I...
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Hal-moss, not Hal-mush
The title of this post is a small service to Paul Halmos. I recently read his book “I Want to be a Mathematician”, subtitled “an Automathography”, where I found this: Do all readers know that I reject...
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Revising and resubmitting my opinions on refereeing
With time, with age, having done already quite a few paper-refereeing jobs, I have come to change some of my opinions on refereeing. Anonymous refereeing. I used to think that anonymous refereeing was...
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Summer projects in math at the Technion 2016
This year, the Faculty of Math at the Technion is continuing with its recently founded tradition of summer projects. As in last year’s week of summer projects, the Faculty of Math at the Technion is...
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Thirty one years later: a counterattack on Halmos’s critique of non-standard...
As if to celebrate in an original way the fifty year anniversary of Bernstein and Robinson’s solution to (a generalization of) the Smith-Halmos conjecture (briefly, that if is an operator such that is...
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Dilations, inclusions of matrix convex sets, and completely positive maps
In part to help myself to prepare for my talk in the upcoming IWOTA, and in part to help myself prepare for getting back to doing research on this subject now that the semester is over, I am going to...
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A proof of Holder’s inequality
One of the parts of this blog that I am most proud of is my series of “Souvenirs” post, where I report about my favorite new finds in conferences. In July I went to a big conference (IWOTA 2016 in St....
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New journal: Advances in Operator Theory
I am writing to let you know about a new journal: Advances in Operator Theory. This is good news! There is certainly room for another very good journal in operator theory. Naturally, this journal will...
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Multivariable Operator Theory workshop at the Technion (Haifa, June 2017)
I am happy to advertise the research workshop Multivariable Operator Theory, that will take place at the Technion, In June 18-22, 2017, on the occasion of Baruch Solel’s 65 birthday. Here is the...
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Journal of Xenomathematics
I am happy to advertise the existence of a new electronic journal/forum/website: Journal of Xenomathematics. Don’t worry, it’s not another new research journal. The editor is John E. McCarthy. The...
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Aleman, Hartz, McCarthy and Richter characterize interpolating sequences in...
The purpose of this post is to discuss the recent important contribution by Aleman, Hartz, McCarthy and Richter to the characterization of interpolating sequences (for multiplier algebras of certain...
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Introduction to von Neumann algebras (Topics in functional analysis 106433 –...
This coming spring semester, I will be giving a graduate course, “Introduction to von Neumann algebras”. This will be a rather basic course, since most of our graduate students haven’t had much...
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A First Course in Functional Analysis (my book)
She’hechiyanu Ve’kiyemanu! My book, A First Course in Functional Analysis, to be published with Chapman and Hall/CRC, will soon be out. There is already a cover, check it out on the CRC Press website....
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Algebras of bounded noncommutative analytic functions on subvarieties of the...
Guy Salomon, Eli Shamovich and I recently uploaded to the arxiv our paper “Algebras of bounded noncommutative analytic functions on subvarieties of the noncommutative unit ball“. This paper blends in...
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