Veranstaltungsliste
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13 Feb 2020
14:15
Alte Universität, Hörsaal -101, Rheinsprung 9, 4051 Basel
Natur & Technik
Ostrowski Prize 2019
Ceremony and lecture in honour of the recipient Prof. Dr. Assaf Naor
Prof. Dr. Assaf Naor (Foto: © Simons Foundation) Program
- Welcome: Gianluca Crippa, Head of the Department of Mathematics and Computer Science
- A.M. Ostrowski and the presentation of the prize: Helmut Harbrecht, President of the Ostrowski Foundation
- Laudation: Terence Tao, University of California, Los Angeles
- Presentation of the medal of the Ostrowski Foundation
- Lecture by the award winner Assaf Naor
The ceremony will be followed by an aperitif.
Veranstalter:
Department of Mathematics and Computer Science
Veranstaltungen übernehmen alsiCal
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13 Feb 2020
15:15
Universität Basel, Kollegienhaus, Hörsaaal 102, Petersplatz 1, Basel
Natur & Technik
The notorious Collatz conjecture
Lecture by Prof. Dr. Terence Tao, University of California, Los Angeles
Terence Tao, Professor für Mathematik an der UCLA. (Foto: UCLA) Start with any natural number. If it is even, divide it by two. If instead it is odd, multiply it by three and add one. Now repeat this process indefinitely. The Collatz conjecture asserts that no matter how large an initial number one starts with, this process eventually reaches the number one (and then loops back to one indefinitely after that).
This conjecture has been tested for quintillions of initial numbers, but remains unsolved in general; it is perhaps one of the simplest to state problems in all of mathematics that remains open; it is also one of the most notorious “mathematical diseases” that can lure professional and amateur mathematicians alike into devoting hours of futile effort into trying to solve the problem.
While it is itself mostly a curiosity, and the full resolution still remains well out of reach of current technology, the Collatz problem is a model example of the more general concept of a dynamical system, which occurs throughout mathematics and science; and so progress on the Collatz conjecture can shed some light on the more general problem of understanding dynamical systems.
In this lecture we give some of the history of the Collatz conjecture and some of its variants, and also describe some recent partial results on the problem.
Veranstalter:
Department of Mathematics and Computer Science
Veranstaltungen übernehmen alsiCal
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17 Feb 2020
18:30 - 19:45
Universität Basel, Kollegienhaus, Petersplatz 1, Basel
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18 Feb 2020
19:00 - 19:45
Universität Basel, Biozentrum, Hörsaal 1, Klingelbergstrasse 50, Basel
Natur & Technik
Gehirnentwicklung – Social Network bei Nervenzellen
Vortrag von Prof. Dr. Peter Scheiffele, Professor für Zell- und Entwicklungsbiologie, im Rahmen der Reihe «Einblicke Biozentrum»
Das Gehirn ist das komplexeste Organ des menschlichen Körpers. Es besteht aus rund 100 Milliarden Nervenzellen, die in Netzwerken miteinander verbunden sind. In seiner Anatomie gleicht es einem atemberaubenden, mit höchster Präzision zusammengesetzten Kunstwerk. Es steuert unser Verhalten und ermöglicht uns, zu lernen oder zu vergessen. Erfahren Sie, wie Nervenzellen ihre einzigartige Identität bekommen, ihr «Social Network» aufbauen und so das Kunstwerk Gehirn erschaffen.
Eintritt frei, mit anschliessendem Apéro.
Veranstalter:
Departement Biozentrum
Veranstaltungen übernehmen alsiCal
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18 Feb 2020
19:00
Zwinglihaus, Gundeldingerstrasse 370, Basel