Results 21 to 30 of about 259,656 (266)

Functional central limit theorems for stationary Hawkes processes and application to infinite-server queues [PDF]

open access: yesQueueing systems, 2016
A univariate Hawkes process is a simple point process that is self-exciting and has a clustering effect. The intensity of this point process is given by the sum of a baseline intensity and another term that depends on the entire past history of the point
Xuefeng Gao, Lingjiong Zhu
semanticscholar   +1 more source

Study on metal accumulation in aquatic plants of Cuciurgan cooling reservoir

open access: yesE3S Web of Conferences, 2014
The biomass of plants from the Cuciurgan cooling reservoir of the Moldovan Thermal Power Plant is dependent on the reservoir thermofication and bore considerable modifications.
Zubcov Elena   +3 more
doaj   +1 more source

Study on metal accumulation in aquatic plants of Cuciurgan cooling reservoir

open access: yesE3S Web of Conferences, 2013
The biomass of plants from the Cuciurgan cooling reservoir of the Moldovan Thermal Power Plant is dependent on the reservoir thermofication and bore considerable modifications.
Zubcov E.   +3 more
doaj   +1 more source

Markov Processes, Hurst Exponents, and Nonlinear Diffusion Equations with application to finance [PDF]

open access: yes, 2006
We show by explicit closed form calculations that a Hurst exponent H that is not 1/2 does not necessarily imply long time correlations like those found in fractional Brownian motion.
Alejandro-Quinones   +29 more
core   +2 more sources

Adaptive Planning for Markov Decision Processes with Uncertain Transition Models via Incremental Feature Dependency Discovery [PDF]

open access: yes, 2012
Solving large scale sequential decision making problems without prior knowledge of the state transition model is a key problem in the planning literature. One approach to tackle this problem is to learn the state transition model online using limited observed measurements.
Geramifard, Alborz   +3 more
openaire   +3 more sources

The multifaceted behavior of integrated supOU processes: the infinite variance case [PDF]

open access: yes, 2020
The so-called "supOU" processes, namely the superpositions of Ornstein-Uhlenbeck type processes are stationary processes for which one can specify separately the marginal distribution and the dependence structure.
Grahovac, Danijel   +2 more
core  

Evolution of the Size Distribution of an Emulsion under a Simple Shear Flow

open access: yesFluids, 2018
Understanding the rheology of immiscible liquids mixtures, as well as the role played by its micro-structures are important criteria for the production of new materials and processes in industry.
Jairo M. Leiva, Enrique Geffroy
doaj   +1 more source

Constraints and trade-offs in climate-dependent adaptation: energy budgets and growth in a latitudinal cline

open access: yesScientia Marina, 2005
Characteristics of temperature-dependent metabolic adaptation as well as their implications for associated changes in energy budgets are analysed based on comparisons of fish and invertebrates from various latitudinal clines in northern and southern ...
Hans O. Pörtner   +2 more
doaj   +1 more source

Transformed Lévy processes as state-dependent wear models

open access: yesAdvances in Applied Probability, 2019
Many wear processes used for modeling accumulative deterioration in a reliability context are nonhomogeneous Lévy processes and, hence, have independent increments, which may not be suitable in an application context.
Ji Hwan Cha, S. Mercier
semanticscholar   +1 more source

Nonextensive entropy approach to space plasma fluctuations and turbulence [PDF]

open access: yes, 2006
Spatial intermittency in fully developed turbulence is an established feature of astrophysical plasma fluctuations and in particular apparent in the interplanetary medium by in situ observations.
Baumjohann, W.   +2 more
core   +2 more sources

Home - About - Disclaimer - Privacy