PhD Seminars: Regularization Techniques

PhD Seminars: Regularization Techniques


January 16, 2017

Location: Salle Euler Violet
Chapter: Applied Mathematics and Simulations
Chairman: TBA

Talk 1:       General Interest
Speaker:    Anne Schneider - Communications Service (Inria)
Title:          My Thesis in 180 seconds
Abstract:
For the 2nd consecutive year, UCA (Université Côte d'Azur) is organizing a preparation for the international french-speaking competition "My Thesis in 180 seconds" (MT180). A local selection will take place on April 25th after a 16 hours training which should begin around February 2nd. "My Thesis in 180 seconds" allows PhD students to present their research topic in french, with simple words, to a profane and diversified audience: every student has to make a 3 minutes clear, concise and nevertheless convincing, presentation on his/her research topic, with the support of a single slide ( ! ) This competition was inspired by "Three times thesis" (3MT ®), a concept conceived in Autralia, at the University of Queensland. In 2016 ,Bertrand Cochard, a PhD student from the CRHI, won the local selection and ended 2nd of the national competition in Bordeaux. He also received the public award and participated in the international final held in Rabat (Morocco) last September. You can have a look at his presentation here, and that of Agustina razetti (Morpheme) here.

Talk 2:       Scientific
Speaker:    Kostya Maksymenko - ATHENA Team (Inria)
Title:          Some intuition about l2 ("Ridge") and l1 ("Lasso") regularization
Abstract:
One finds models with l2 and l1 regularization in statistics, machine learning, signal processing and other domains of applied mathematics. This talk will be interesting for those of you who use it like a “black box”, i.e. without understanding the principals and hypothesis lying behind them. The objective of this presentation is to give some principal properties of these problems in a relatively simple language. I will talk about probabilistic and geometrical interpretation of l2 and l1 regularization which will allow you to better understand when and why does it work (or not).

Talk 3:       Scientific
Speaker:    TBA - ACUMES Team (Inria)
Title:          TBA
Abstract:
TBA

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