Author Archive: raphy

Colloquium: Tuesday, November 16, 2021. Speaker: Amir Algom (Penn State). Title: “Title: Recent progress on Furstenberg’s rigidity conjectures”.

The next colloquium for this semester will be held ONLINE on 16.11.2021 at 14:00 (this Tuesday). Zoom link: https://us02web.zoom.us/j/82797905845?pwd=VUxHdkwyRzZIOHdDWkF2OC92U0p6UT09 Speaker: Amir Algom (Penn State) Date: Tuesday, November 16, 2021 Time: 14:00 Title: Recent progress on Furstenberg’s rigidity conjectures Abstract: In…
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U. Haifa Topology & Geometry seminar: Sunday, NOV 14, 2021. Speaker: Edgar Bering IV (Technion). “Title:  Topological Models of Abstract Commeasurators”

Time: Sunday, Nov, 14 at 17:00 (Israel Time) Location: On Zoom Recording: https://us02web.zoom.us/rec/share/5KZWjr3mjh7ltmMa2ijysTj_WKFy8JBOOku8XFclUB3xibnXenLooKeN3Tp0ORw.EGSolWYiClpROhFg Abstract:  Given a group G, an Eilenberg-MacLane space X = K(G,1) provides a topological model of both G and Aut(G). The latter is understood via Whitehead’s theorem…
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U. Haifa Topology & Geometry seminar: Sunday, NOV 7, 2021. Speaker: Andrea Gagna (Czech Academy of Sciences). “(∞, 2)-categories and wher to find them”

Time: Sunday, Nov, 7 at 17:00 (Israel Time) Location: On Zoom https://us02web.zoom.us/rec/share/58OVaq8ckzWZflq-rW1yThWtxr3XgOwYqF7VHk25SRGMOrJkdKFFQznre3OHdRX6.gG2nOZHpg4sDYSvP Speaker: Andrea Gagna (Czech Academy of Sciences) Title:  “(∞, 2)-categories and where to find them” Abstract: In this talk I will briefly review some of the reasons why ∞-categories were…
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Colloquium: Tuesday, November 2, 2021. Speaker: Dmitry Faifman (Tel Aviv). Title: “Intrinsic volumes and Weyl’s principle in valuation theory”.

Zoom link: https://us02web.zoom.us/j/82797905845?pwd=VUxHdkwyRzZIOHdDWkF2OC92U0p6UT09 Speaker: Dmitry Faifman (Tel Aviv University) Date: Tuesday, November 2, 2021 Time: 14:00 Title: Intrinsic volumes and Weyl’s principle in valuation theory Abstract: First we will recall the fundamental notion of intrinsic volumes, known as quermassintegrals in…
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U. Haifa Topology & Geometry seminar: Sunday, OCT 31, 2021. Speaker: Philippe Charron (Technion). “Pleijel’s theorem for Schrödinger operators”

Time: Sunday, Oct. 31st, 17:00Location: On Zoom and in Room 614 Haifa University Mathematics and Science BuildingSpeaker: Philippe Charron (Technion) Zoom recording: https://us02web.zoom.us/rec/share/nTEecWyLErYjpRjDfvxPASSzEj9Hy4pu4C4tjVVJudtLZ-tUwjR3knb_vbe7nTLP.0WWEpalVf2X4D9Ee Title: Pleijel’s theorem for Schrödinger operatorsWe will discuss some recent results regarding the number of nodal domains…
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U. Haifa Topology & Geometry seminar: Sunday, OCT 24, 2021. Speaker: Yaniv Ganor (Technion). “Big Fiber Theorems and Ideal-Valued Measures in Symplectic Topology”

Time: Sunday Oct. 24th 17:00 Speaker: Yaniv Ganor (Technion) Title: Big Fiber Theorems and Ideal-Valued Measures in Symplectic Topology Location: On Zoom and in Room 614 Haifa University Mathematics and Science Building Zoom link: https://us02web.zoom.us/recording/detail?meeting_id=Sk9IUknKRJGknIqZ1jWJ7g%3D%3D Abstract: In various areas of…
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Colloquium: Tuesday, October 26, 2021. Speaker: Jonathan Mosheiff (Carnegie Mellon University). Title: “Derandomization of elementary error correcting code ensembles”.

Zoom link: https://us02web.zoom.us/j/82797905845?pwd=VUxHdkwyRzZIOHdDWkF2OC92U0p6UT09 An error correcting code is a subset C of F_q^n. We usually want C to be 1) large, 2) well-spread and 3) efficiently decodable. Elementary random constructions, such as taking C to be a uniformly random linear subspace…
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