====== Non Linear Analysis ====== ==== General ==== ^ ^ ^ |organizer |Nicolas Macris| |office |INR 134| |phone |38114| |email |nicolas.macris@epfl.ch| \\ |schedule |monday 11h - 12h30| |location |room INR 113| \\ ==== Topic ==== \\ We often seek information on solutions of non-linear differential or integral equations. Non linear analysis combines methods from analysis and topology including fixed point theorems (Brouwer, Schauder), degree theory (Brouwer, Leray-Schauder degree), the Krasnoselskii-Rabinowitz bifurcation theorem. We plan to study a little book which contains an introduction to these topics plus applications:\\ \\ **A Topological Introduction to Non Linear Analysis, by Robert Brown (Birkhauser 1993)** \\ Another set of useful techniques use various perturbation methods. In a second stage we may read pieces of the short book:\\ \\ **Perturbation Techniques for Mathematics, Engineering, Physics, by Richard Bellman (Dover 2004)** \\ Relevant material will be distributed to interested participants. We will meet on a weekly basis for presentations of 1h or 1h30. \\ ==== Additional reading material ==== \\ Numerical path following, by Eugene Allgower, Kurt Georg (1994)\\ Non linear functional analysis, by Gerald Teschl (2005)\\ \\ ==== Evolving schedule ==== \\ ^ speaker ^ date ^ topic ^ | | | | | Nicolas Macris | Oct 24 | Nishimori identities | | Satish Korada | Oct 31 | Exact replica symmetric solution of an SK like model| | Sanket Dusad | Nov 7 | Compactness in metric spaces | | Sanket Dusad | Nov 13 | Ascoli-Arzela theorem | | Ruediger Urbanke | Nov 21 | Fixed point theorems: Brouwer and Schauder | | Ruediger Urbanke | Nov 28 | Schauder fixed point theorem and applications| | Henry Pfister | Dec 5 |Fixed points equations with a parameter and GEXIT curves| | Vishwambar Rathi | Dec 12 | Homotopy and Brouwer's theorem for the disc| | Vishwambar Rathi | Dec19 | Homotopy and Brouwer's theorem for the disc| | break | Jan 9 | - - - | | Harm Cronie | Jan 16 | Brouwer mapping degree| | Harm Cronie | Jan23 | Brouwer mapping degree| | Shrinivas Kudekar | Jan 30 | Leray Schauder degree | | Shrinivas Kudekar | Feb 15 (wed 14h15 !) |Leray Schauder continued| | Shrinivas Kudekar | Feb 20 | Compact linear operators| \\ \\ //[[https://ipg/doku.php?id=en:events:reading_group|back to reading groups]]//