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pro vyhledávání: '"Allen, Robert A."'
Autor:
Allen, Robert, Verdon, Dominic
Supermaps between quantum channels (completely positive trace-preserving (CPTP) maps of matrix algebras) were introduced in [Chiribella et al., EPL 83(3) (2008)]. In this work we generalise to supermaps between channels of any type; by channels we me
Externí odkaz:
http://arxiv.org/abs/2410.01389
Autor:
Walker, Malik H., Allen, Robert C., Li, Gang, Ho, George C., Mason, Glenn M., Rodriguez-Pacheco, Javier, Wimmer-Schweingruber, Robert F., Kouloumvakos, Athanasios
On 2022 March 10, a coronal mass ejection (CME) erupted from the Sun, resulting in Solar Orbiter observations at 0.45 au of both dispersive solar energetic particles arriving prior to the interplanetary CME (ICME) and locally accelerated particles ne
Externí odkaz:
http://arxiv.org/abs/2410.01885
Robust delay induced oscillations, common in nature, are often modeled by delay-differential equations (DDEs). Motivated by the success of phase-amplitude reductions for ordinary differential equations with limit cycle oscillations, there is now a gr
Externí odkaz:
http://arxiv.org/abs/2404.17356
Autor:
Allen, Robert B.
We explore developing rich semantic models of systems. Specifically, we consider structured causal explanations about state changes in those systems. Essentially, we are developing process-based dynamic knowledge graphs. As an example, we construct a
Externí odkaz:
http://arxiv.org/abs/2311.11334
Autor:
Allen, Robert, Verdon, Dominic
The problem of extending the insights and techniques of categorical quantum mechanics to infinite-dimensional systems was considered in (Coecke and Heunen, 2016). In that work the $\mathrm{CP}^{\infty}$-construction, which recovers the category of Hi
Externí odkaz:
http://arxiv.org/abs/2310.15776
Networks of coupled nonlinear oscillators can display a wide range of emergent behaviours under variation of the strength of the coupling. Network equations for pairs of coupled oscillators where the dynamics of each node is described by the evolutio
Externí odkaz:
http://arxiv.org/abs/2310.02725
Autor:
Palmerio, Erika, Lynch, Benjamin J., Lee, Christina O., Jian, Lan K., Nieves-Chinchilla, Teresa, Davies, Emma E., Wood, Brian E., Lugaz, Noé, Winslow, Réka M., Török, Tibor, Al-Haddad, Nada, Regnault, Florian, Jin, Meng, Scolini, Camilla, Carcaboso, Fernando, Farrugia, Charles J., Ledvina, Vincent E., Downs, Cooper, Kay, Christina, Pal, Sanchita, Salman, Tarik M., Allen, Robert C.
Publikováno v:
Bulletin of the AAS, 55(3), 307, 2023
Coronal mass ejections (CMEs) are large eruptions from the Sun that propagate through the heliosphere after launch. Observational studies of these transient phenomena are usually based on 2D images of the Sun, corona, and heliosphere (remote-sensing
Externí odkaz:
http://arxiv.org/abs/2309.05480
Autor:
Allen, Robert
Grothendieck-Verdier duality is a powerful and ubiquitous structure on monoidal categories, which generalises the notion of rigidity. Hopf algebroids are a generalisation of Hopf algebras, to a non-commutative base ring. Just as the category of finit
Externí odkaz:
http://arxiv.org/abs/2308.01029