Results 31 to 40 of about 4,616 (278)

Spreadability for Quantum Stochastic Processes, with an Application to Boolean Commutation Relations

open access: yesEntropy, 2020
In order to manage spreadability for quantum stochastic processes, we study in detail the structure of the involved monoids acting on the index-set of all integers Z , that is that generated by left and right hand-side partial shifts, the monoid of ...
Vitonofrio Crismale   +2 more
doaj   +1 more source

Two different template replicators coexisting in the same protocell: stochastic simulation of an extended chemoton model. [PDF]

open access: yesPLoS ONE, 2011
The simulation of complex biochemical systems, consisting of intertwined subsystems, is a challenging task in computational biology. The complex biochemical organization of the cell is effectively modeled by the minimal cell model called chemoton ...
István Zachar   +2 more
doaj   +1 more source

Stronger computational modelling of signalling pathways using both continuous and discrete-state methods [PDF]

open access: yes, 2006
Starting from a biochemical signalling pathway model expresses in a process algebra enriched with quantitative information, we automatically derive both continuous-space and discrete-space representations suitable for numerical evaluation.
Calder, M.   +8 more
core   +1 more source

Derivation of passage-time densities in PEPA models using ipc: the imperial PEPA compiler [PDF]

open access: yes, 2003
We present a technique for defining and extracting passage-time densities from high-level stochastic process algebra models. Our high-level formalism is PEPA, a popular Markovian process algebra for expressing compositional performance models.
Knottenbelt,W.J.   +11 more
core   +1 more source

Quantifying the implicit process flow abstraction in SBGN-PD diagrams with Bio-PEPA [PDF]

open access: yesElectronic Proceedings in Theoretical Computer Science, 2009
For a long time biologists have used visual representations of biochemical networks to gain a quick overview of important structural properties. Recently SBGN, the Systems Biology Graphical Notation, has been developed to standardise the way in which ...
Jane Hillston   +2 more
doaj   +1 more source

Uniform Labeled Transition Systems for Nondeterministic, Probabilistic, and Stochastic Processes [PDF]

open access: yes, 2010
Rate transition systems (RTS) are a special kind of transition systems introduced for defining the stochastic behavior of processes and for associating continuous-time Markov chains with process terms. The transition relation assigns to each process, for
Nicola Michele Loreti   +8 more
core   +1 more source

CARMA: Collective Adaptive Resource-sharing Markovian Agents [PDF]

open access: yesElectronic Proceedings in Theoretical Computer Science, 2015
In this paper we present CARMA, a language recently defined to support specification and analysis of collective adaptive systems. CARMA is a stochastic process algebra equipped with linguistic constructs specifically developed for modelling and ...
Luca Bortolussi   +7 more
doaj   +1 more source

Sensitivity and identifiability analysis of COVID-19 pandemic models

open access: yesВавиловский журнал генетики и селекции, 2021
The paper presents the results of sensitivity-based identif iability analysis of the COVID-19 pandemic spread models in the Novosibirsk region using the systems of differential equations and mass balance law.
O. I. Krivorotko   +3 more
doaj   +1 more source

Performance analysis of stochastic process algebra models using stochastic simulation

open access: yesProceedings 20th IEEE International Parallel & Distributed Processing Symposium, 2006
Jeremy T. Bradley   +2 more
exaly   +3 more sources

On Markovian cocycle perturbations in classical and quantum probability

open access: yesInternational Journal of Mathematics and Mathematical Sciences, 2003
We introduce Markovian cocycle perturbations of the groups of transformations associated with classical and quantum stochastic processes with stationary increments, which are characterized by a localization of the perturbation to the algebra of events ...
G. G. Amosov
doaj   +1 more source

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