Results 11 to 20 of about 48,055 (245)

Symmetric Stochastic Integrals with Respect to a Class of Self-similar Gaussian Processes [PDF]

open access: yesJournal of Theoretical Probability, 2018
We study the asymptotic behavior of the $ν$-symmetric Riemman sums for functionals of a self-similar centered Gaussian process $X$ with increment exponent $0(2\ell+1)^{-1}$, we prove that the convergence holds in probability.
Daniel Harnett   +2 more
openaire   +2 more sources

Methods for analysis of functionals on Gaussian self similar processes [PDF]

open access: yes, 2018
Many engineering and scientific applications necessitate the estimation of statistics of various functionals on stochastic processes. In Chapter 2, Norros et al’s Girsanov theorem for fBm is reviewed and extended to allow for non-unit volatility. We then
Bhatia, Hirdyesh
core   +1 more source

Invariance properties of the negative binomial Levy process and stochastic self-similarity [PDF]

open access: yesInternational Mathematical Forum, 2007
We study the concept of self-similarity with respect to stochastic time change. The negative binomial process (NBP) is an example of a family of random time transformations with respect to which stochastic self-similarity holds for certain stochastic processes.
T. J. Kozubowski, K. Podgorski
openaire   +1 more source

Continuous time volatility modelling: COGARCH versus Ornstein-Uhlenbeck models [PDF]

open access: yes, 2005
We compare the probabilistic properties of the non-Gaussian Ornstein-Uhlenbeck based stochastic volatility model of Barndorff-Nielsen and Shephard (2001) with those of the COGARCH process.
Ross Maller   +6 more
core   +1 more source

Condensation transition in large deviations of self-similar Gaussian processes with stochastic resetting

open access: yesJournal of Statistical Mechanics: Theory and Experiment, 2022
Abstract We study the fluctuations of the area A ( t
Smith, Naftali R., Majumdar, Satya N.
openaire   +3 more sources

Self-dual continuous processes [PDF]

open access: yes, 2013
The important application of semi-static hedging in financial markets naturally leads to the notion of conditionally quasi self-dual processes which is, for continuous semimartingales, related to conditional symmetry properties of both their ordinary as ...
Rheinländer, Thorsten, Schmutz, Michael
core   +1 more source

Structural preferential attachment: Stochastic process for the growth of scale-free, modular, and self-similar systems [PDF]

open access: yesPhysical Review E, 2012
Many complex systems have been shown to share universal properties of organization, such as scale independence, modularity and self-similarity. We borrow tools from statistical physics in order to study structural preferential attachment (SPA), a recently proposed growth principle for the emergence of the aforementioned properties.
Hébert-Dufresne, Laurent   +4 more
openaire   +3 more sources

Extremal behavior of stochastic volatility models [PDF]

open access: yes, 2005
Empirical volatility changes in time and exhibits tails, which are heavier than normal. Moreover, empirical volatility has - sometimes quite substantial - upwards jumps and clusters on high levels.
Lindner, Alexander M.   +7 more
core   +1 more source

What Do Large Language Models Know About Materials?

open access: yesAdvanced Engineering Materials, EarlyView.
If large language models (LLMs) are to be used inside the material discovery and engineering process, they must be benchmarked for the accurateness of intrinsic material knowledge. The current work introduces 1) a reasoning process through the processing–structure–property–performance chain and 2) a tool for benchmarking knowledge of LLMs concerning ...
Adrian Ehrenhofer   +2 more
wiley   +1 more source

A study of self-similar traffic generation for ATM networks [PDF]

open access: yes, 1997
This thesis discusses the efficient and accurate generation of self-similar traffic for ATM networks. ATM networks have been developed to carry multiple service categories.
Chen, Hung-Ming, Chen, H.
core  

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