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Variational subspace methods and application to improving variational Monte Carlo dynamics
No full textWe present a formalism that allows for the direct manipulation and optimization of subspaces, circumventing the need to optimize individual states when using subspace methods. Using the determinant state mapping, we can naturally extend notions such as distance and energy to subspaces, as well as Monte Carlo estimators, recovering the excited states estimation method proposed by Pfau et al. As a practical application, we then introduce Bridge, a method that improves the performance of variational dynamics by extracting linear combinations of variational time-evolved states. We find that Bridge is both computationally inexpensive and capable of significantly mitigating the errors that arise from discretizing the dynamics, and can thus be systematically used as a post-processing tool for variational dynamics
Avenir commun durable (chaire annuelle 2021-2022): [résumé des cours et travaux : 2021-2022]
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Droit international des institutions: [résumé des cours et travaux : 2021-2022]
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Histoire et archéologie des mondes africains: [résumé des cours et travaux : 2021-2022]
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Philosophie du langage et de l’esprit: [résumé des cours et travaux : 2021-2022]
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Physique de la matière condensée: [résumé des cours et travaux : 2021-2022]
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Formes automorphes (chaire internationale): [résumé des cours et travaux : 2021-2022]
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Équations aux dérivées partielles et applications: [résumé des cours et travaux : 2021-2022]
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Cent ans après, à chacun son Mishima
No full textInternational audienceSeen from end to beginning, the life of Yukio Mishima seems like a destiny in which everything that happened could not have unfolded any other way. Yet it is precisely this notion of an easy fatalism that has given rise to many misunderstandings in the interpretation of his work and in the understanding of his character. On the centenary of the birth of the author of Confessions of a Mask, Thomas Garcin, a professor of Japanese Studies at the University of Paris and a profound connoisseur of the writer's legacy, paints a portrait that contradicts the clichés that have built up around Mishima. In this ‘Register’, each of us is invited to create (or recreate) our own image of him