Results 111 to 120 of about 2,583,540 (350)

Attainability for Markov and Semi-Markov Chains

Mathematics
When studying Markov chain models and semi-Markov chain models, it is useful to know which state vectors n, where each component ni represents the number of entities in the state Si, can be maintained or attained. This question leads to the definitions of maintainability and attainability for (time-homogeneous) Markov chain models.
Brecht Verbeken, Marie-Anne Guerry
openaire   +3 more sources

Population pharmacokinetic modelling of prednisolone in systemic lupus erythematosus patients: Analysis of exposure and disease activity

British Journal of Clinical Pharmacology, EarlyView.
Abstract Aims Prednisone is a widely used glucocorticoid in the treatment of lupus, although its dosing is often determined empirically. Prednisolone, the active metabolite of prednisone, is found in its free form in the serum. The goal of this study was to develop a population pharmacokinetic model in patients with systemic lupus erythematosus (SLE ...
Naïm Bouazza, Michaela Semeraro, Gabrielle Lui, Léo Froelicher‐Bournaud, Laure Choupeaux, Jean‐Marc Treluyer, Sihem Benaboud, Joelle Terzic, Eric Hachulla, Philippe Remy, Jérôme Harambat, Alexandre Karras, Caroline Rousset‐Rouviere, Anne Jolivot, Zahir Amoura, Eric Daugas, Aurélie Hummel, Rémi Salomon, Jean‐Christophe Lega, Stéphane Decramer, Alexandre Belot, Delphine Gobert, Nathalie Costedoat‐Chalumeau, Stanislas Faguer, Isabelle Melki, Noémie Jourde‐Chiche, Brigitte Bader‐Meunier   +26 more
wiley   +1 more source

Markov chain for heart failure diagnostic decision model with irregular Thoracic Fluid Content measurements

MATEC Web of Conferences, 2018
Properties of results obtained on Markov processes analysis in medical applications have been illustrated. Calculation was done for measurement of Thoracic Fluid Content by means of impedance cardiograph for chosen medical patients population.
Moszczyński Paweł, Walczak Andrzej
doaj   +1 more source

Modeling of hydrological drought durations and magnitudes: Experiences on Canadian streamflows

Journal of Hydrology: Regional Studies, 2014
Study region: North-west Ontario and eastern Canada. Study focus: This study utilized river flow sequences to predict hydrological drought parameters (duration and magnitude) on annual, monthly and weekly time scales. Analysis was conducted at the median
Tribeni C. Sharma, Umed S. Panu
doaj   +1 more source

Entropy Rate for Hidden Markov Chains with rare transitions [PDF]

arXiv, 2010
We consider Hidden Markov Chains obtained by passing a Markov Chain with rare transitions through a noisy memoryless channel. We obtain asymptotic estimates for the entropy of the resulting Hidden Markov Chain as the transition rate is reduced to zero.
arxiv  

Characterization of the Cubamyces Menziesii Terpenome

ChemBioChem, EarlyView.
The genome of Cubamyces menziesii reveals 18 putative sesquiterpene cyclase genes. These genes are cloned and expressed in Escherichia coli, yielding 10 active enzymes. Using farnesyl diphosphate as substrate, the enzymes are analyzed, and the products characterized after bioconversion, uncovering diverse sesquiterpene structures. This study highlights
Létitia Leydet, Julie Couillaud, Agnès Amouric, Elise Courvoisier‐Dezord, Carole Avesque, Thierry Giardina, Mireille Attolini, Pierre Rousselot‐Pailley, Katia Duquesne, Marie‐Noelle Rosso, Gilles Iacazio   +10 more
wiley   +1 more source

First‐order Sobolev spaces, self‐similar energies and energy measures on the Sierpiński carpet

Communications on Pure and Applied Mathematics, EarlyView.
Abstract For any p∈(1,∞)$p \in (1,\infty)$, we construct p$p$‐energies and the corresponding p$p$‐energy measures on the Sierpiński carpet. A salient feature of our Sobolev space is the self‐similarity of energy. An important motivation for the construction of self‐similar energy and energy measures is to determine whether or not the Ahlfors regular ...
Mathav Murugan, Ryosuke Shimizu
wiley   +1 more source

Error Bounds for Augmented Truncations of Discrete-Time Block-Monotone Markov Chains under Geometric Drift Conditions [PDF]

arXiv, 2014
This paper studies the augmented truncation of discrete-time block-monotone Markov chains under geometric drift conditions. We first present a bound for the total variation distance between the stationary distributions of an original Markov chain and its augmented truncation.
arxiv  

Hidden hybrid Markov/semi-Markov chains [PDF]

Computational Statistics & Data Analysis, 2005
Models that combine Markovian states with implicit geometric state occupancy distributions and semi-Markovian states with explicit state occupancy distributions, are investigated. This type of model retains the flexibility of hidden semi-Markov chains for the modeling of short or medium size homogeneous zones along sequences but also enables the ...
openaire   +6 more sources

The porous medium equation: Large deviations and gradient flow with degenerate and unbounded diffusion

Communications on Pure and Applied Mathematics, EarlyView.
Abstract The problem of deriving a gradient flow structure for the porous medium equation which is thermodynamic, in that it arises from the large deviations of some microscopic particle system is studied. To this end, a rescaled zero‐range process with jump rate g(k)=kα,α>1$g(k)=k^\alpha, \alpha >1$ is considered, and its hydrodynamic limit and ...
Benjamin Gess, Daniel Heydecker
wiley   +1 more source