Zobrazeno 1 - 10
of 85
pro vyhledávání: '"Josep Llosa"'
Autor:
Carlos Heredia, Josep Llosa
Publikováno v:
Journal of High Energy Physics, Vol 2024, Iss 4, Pp 1-35 (2024)
Abstract This article focuses on three main contributions. Firstly, we provide an in-depth overview of the nonlocal Lagrangian formalism. Secondly, we introduce an extended version of the second Noether’s theorem tailored for nonlocal Lagrangians.
Externí odkaz:
https://doaj.org/article/39ae78521c974d799b025879de2432d2
Autor:
Anupam Mazumdar, Carlos Heredia Pimienta, Josep Llosa, Ivan Kolar, Francisco José Maldonado Torralba
Publikováno v:
Classical and Quantum Gravity, 39(8):085001. IOP PUBLISHING LTD
This article aims to transform the infinite-order Lagrangian density for ghost-free infinite-derivative linearized gravity into non-local. To achieve it, we use the theory of generalized functions and the Fourier transform in the space of tempered di
Autor:
Josep Llosa, Carlos Heredia Pimienta
Publikováno v:
Physical Review
This article aims to study non-local Lagrangians with an infinite number of degrees of freedom. We obtain an extension of Noether's theorem and Noether's identities for such Lagrangians. We then set up a Hamiltonian formalism for them. In addition, w
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f2dbaede69ffde1ee57c853770d5cc8f
http://arxiv.org/abs/2203.02206
http://arxiv.org/abs/2203.02206
Autor:
Apan Qasem, Hartwig Anzt, Eduard Ayguade, Katharine Cahill, Ramon Canal, Jany Chan, Eric Fosler-Lussier, Fritz Gobel, Arpan Jain, Marcel Koch, Mateusz Kuzak, Josep Llosa, Raghu Machiraju, Xavier Martorell, Pratik Nayak, Shameema Oottikkal, Marcin Ostasz, Dhabaleswar K. Panda, Dirk Pleiter, Rajiv Ramnath, Maria-Ribera Sancho, Alessio Sclocco, Aamir Shafi, Hanno Spreeuw, Hari Subramoni, Karen Tomko
The lightning talks at EduHPC provide an opportunity to share early results and insights on parallel and distributed computing (PDC) education and training efforts. The four lightning talks at EduHPC 2022 cover a range of topics in broadening PDC edu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e04b2a95f605f31442e8019f41d9e01e
https://hdl.handle.net/2117/385362
https://hdl.handle.net/2117/385362
Autor:
Josep Llosa, Jesús Ceresuela
Publikováno v:
Canadian Journal of Physics. 97:923-931
We study the Dewan-Beran-Bell thought experiment of two spaceships connected by a thread that start accelerated motion and discuss the proper length of the thread by means of Born's definition of proper length for arbitrary motion.
Autor:
Josep Llosa, Carlos Heredia
Publikováno v:
Journal of Physics A: Mathematical and Theoretical. 54:425202
We study Lagrangian systems with a finite number of degrees of freedom that are non-local in time. We obtain an extension of Noether theorem and Noether identities to this kind of Lagrangians. A Hamiltonian formalism is then set up for this systems.
Autor:
Josep Llosa, Carlos Heredia
Publikováno v:
Dipòsit Digital de la UB
Universidad de Barcelona
Universidad de Barcelona
On the basis of a non-local Lagrangian for Maxwell equations in a dispersive medium, the energy-momentum tensor of the field is derived. We obtain the Field equations through variational methods and an extension of Noether theorem for a non-local Lag
Autor:
Josep Llosa
We show that the uniformly accelerated reference systems proposed by Einstein when introducing acceleration in the theory of relativity are Fermi-Walker coordinate systems. We then consider more general accelerated motions and, on the one hand we obt
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ee1a58653e4a8da749faab7188c8864a
Publikováno v:
IEEE Transactions on Computers. 59:385-399
Simultaneous MultiThreading (SMT) is a well-known technique that improves resource utilization by exploiting thread-level parallelism at the instruction grain level. However, implementing SMT for VLIWs requires complex structures, which is contrary t
Publikováno v:
ACM Transactions on Programming Languages and Systems. 27:946-987
Caches have become increasingly important with the widening gap between main memory and processor speeds. Small and fast cache memories are designed to bridge this discrepancy. However, they are only effective when programs exhibit sufficient data lo