22 May 2018

Séminaire CANA: Quantum simulations via quantum walks over the honeycomb and triangular lattices, Iván Márquez

Résumé:In this seminar we will talk about how to simulate quantum physical models via discrete-time quantum walks (DTQWs) over hexagonal and triangular lattices. We will define what a QW is from a computer science perspective. The study of QWs is growing due to two reasons. First, different kind of Quantum Computing algorithms have been created using them in an efficient way. On the other hand, they can be used for the purpose of quantum simulating in the future quantum simulation devices. From the quantum simulation perspective, QWs have been extensively used for reproducing relativistic particles dynamics described by the Dirac equation, always using regular lattices. We will show that QWs does not need to rely on the regular lattice grid, and that they can be casted on the hexagonal and triangular grid instead. We believe that this constitutes an important step towards: modeling propagation in crystalline materials; identifying substrates for QW implementations; studying topological phases and understanding propagation in discretized curved spacetime.
22 May 2018, 14h0015h00
Salle de réunion du bâtiment modulaire (Luminy).

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20 December 2018

Séminaire CaNa : 20 décembre à 14h : SAT est NP-complet, la preuve !

Résumé : Ne croyez pas ce que l'on vous a dit, le théorème de Cook-Levin n'est pas si difficile que cela à démontrer... J'ai longtemps admis cette preuve, et après l'avoir lue dans le livre de Sylvain Perifel, j'ai envie de la partager ! Venez ajouter LA brique de base à vos connaissances en complexité, ou simplement réviser :-)

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