Results 21 to 30 of about 7,057,920 (327)
Maximum Likelihood Estimation for Mixed Fractional Vasicek Processes
Fractal and Fractional, 2022 In this paper, we consider the problem of estimating the drift parameters in the mixed fractional Vasicek model, which is an extended model of the traditional Vasicek model.
Chun-Hao Cai +3 more
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Asymptotic theory of the transient waves in shells of revolution at shock edge loading of the bending type [PDF]
Известия Саратовского университета. Новая серия: Математика. Механика. ИнформатикаThe present work is devoted to completing the construction of the nonstationary stress-stain state asymptotic theory of shells of revolution at shock edge bending loading.
Kirillova, Irina V.
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Asymptotic Dynamics in Quantum Field Theory [PDF]
, 1999 A crucial element of scattering theory and the LSZ reduction formula is the assumption that the coupling vanishes at large times. This is known not to hold for the theories of the Standard Model and in general such asymptotic dynamics is not well ...
Bagan E. +19 more
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Asymptotic theory of penalized splines
Electronic Journal of Statistics, 2019 : The paper gives a unified study of the large sample asymp- totic theory of penalized splines including the O -splines using B-splines and an integrated squared derivative penalty [22], the P -splines which use B-splines and a discrete difference penalty [
Luo Xiao
semanticscholar +1 more source
Drift of scroll waves in thin layers caused by thickness features: asymptotic theory and numerical simulations. [PDF]
Physical Review Letters, 2014 A scroll wave in a very thin layer of excitable medium is similar to a spiral wave, but its behavior is affected by the layer geometry. We identify the effect of sharp variations of the layer thickness, which is separate from filament tension and ...
I. Biktasheva, H. Dierckx, V. Biktashev
semanticscholar +1 more source
ASYMPTOTIC THEORY FOR ESTIMATING DRIFT PARAMETERS IN THE FRACTIONAL VASICEK MODEL
Econometric Theory, 2018 This article develops an asymptotic theory for estimators of two parameters in the drift function in the fractional Vasicek model when a continuous record of observations is available. The fractional Vasicek model with long-range dependence is assumed to
Weilin Xiao, Jun Yu
semanticscholar +1 more source
On asymptotic dark energy in string theory
Journal of High Energy Physics, 2023 We examine bounds on accelerated expansion in asymptotic regions of the moduli space in string theory compactifications to four spacetime dimensions. While there are conjectures that forbid or constrain accelerated expansion in such asymptotic regions ...
Sera Cremonini +4 more
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Applied Sciences, 2016 Toxicity testing in populations probes for responses in demographic variables to anthropogenic or natural chemical changes in the environment. Importantly, these tests are primarily performed on species in isolation of adjacent tropic levels in their ...
Michael Stemkovski +3 more
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Black Hole Microstates and Attractor Without Supersymmetry [PDF]
, 2006 Due to the attractor mechanism, the entropy of an extremal black hole does not vary continuously as we vary the asymptotic values of various moduli fields.
A. Dabholkar +37 more
core +2 more sources
Discrete asymptotic nets and W-congruences in Plucker line geometry
, 2000 The asymptotic lattices and their transformations are studied within the line geometry approach. It is shown that the discrete asymptotic nets are represented by isotropic congruences in the Plucker quadric.
Adam Doliwa +25 more
core +1 more source