Virtual participation: Zoom details available here
Speaker: Professor Murilo S. Baptista, University of Aberdeen
Title: "Communication and encryption with chaos"
Abstract: Seminal works in the end of the 80s and beginning of 90s have launched the use of chaos to applications in communication. Since then, a recent surge of new ideas and methodologies have brought this initially fundamental area into the realm of industrial applications, as some methods have already been demonstrated to have superior performance against traditional methods of communication. In this talk, I will provide a historical snapshot of the developments in this area of chaos-based communication and encryption and then present my recent research work on the area. In communication, I will show that chaotic signals have wonderful properties and that makes them appealing for the use in modern communication: they are robust to multipath propagation, filtering, noise, and do not destructively interfere with other similar chaotic signals even when the signals have different natural frequencies. In cryptography, I will show that they offer a pathway for a light, fast and secure communication. I hope to demonstrate to the audience that this area offers a fertile field to do not only fundamental research in nonlinear sciences, but also research applied to the development of new technologies for communication systems.
Biography: Murilo S. Baptista joined the University of Aberdeen in 2009, and since 2014 he is a Reader. He is the current Head of the Department of Physics. Holding a PhD and BSc in Physics from the University of São Paulo, his expertise spans nonlinear dynamics, time-series analysis and modelling, complex networks and systems, information theory, causality, and communication and cryptography, and data science. His research contributes to fields like communication, computational neuroscience, biophysics, smart systems, and environmental sustainability. Before joining UoA, he has worked as a postdoc at the University of Maryland (USA), 1997-1999, the University of São Paulo (Brazil), 1999-2003, the University of Potsdam (Germany), 2004-2006, as a guest scientist in the Max-Planck-Institute for the Physics of Complex Systems (Germany), 2007-2008, and as a Guest Assistant Professor at the Centre for Applied Mathematics at the University of Oporto (Portugal), 2008-2009. He is a permanent member of the Alexander von Humboldt foundation.