Results 21 to 30 of about 905 (62)

An extension of the stochastic sewing lemma and applications to fractional stochastic calculus

open access: yesForum of Mathematics, Sigma
We give an extension of Lê’s stochastic sewing lemma. The stochastic sewing lemma proves convergence in $L_m$ of Riemann type sums $\sum _{[s,t] \in \pi } A_{s,t}$ for an adapted two-parameter stochastic process A, under certain conditions ...
Toyomu Matsuda, Nicolas Perkowski
doaj   +1 more source

Robust option replication for a Black-Scholes model extended with nondeterministic trends [PDF]

open access: yes, 2012
Statistical analysis on various stocks reveals long range dependence behavior of the stock prices that is not consistent with the classical Black and Scholes model.
Kloeden, Peter E.   +1 more
core  

Averaging principle for equation driven by a stochastic measure

open access: yes, 2018
Equation with the symmetric integral with respect to stochastic measure is considered. For the integrator, we assume only $\sigma$-additivity in probability and continuity of the paths.
Radchenko, Vadym
core   +1 more source

Multiple G-Stratonovich integral in G-expectation space

open access: yesOpen Mathematics
The Stratonovich integral represents a fundamental concept in stochastic calculus. In this article, we first propose a novel approach inspired by the multidimensional G-Itô formula, establishing a multiple G-Stratonovich integral within the G-expectation
Fei Shaojin
doaj   +1 more source

A Distributed Procedure for Computing Stochastic Expansions with Mathematica [PDF]

open access: yes, 2010
The solution of a (stochastic) differential equation can be locally approximated by a (stochastic) expansion. If the vector field of the differential equation is a polynomial, the corresponding expansion is a linear combination of iterated integrals of ...
Ladroue, Christophe   +1 more
core  

On the weak convergence of multiparameter stochastic integrals

open access: yesOpen Mathematics
In this paper we provide sufficient conditions for sequences of stochastic processes of the form ∫ [0,t] f n(u)θ n(u)du, to weakly converge, in the space of continuous functions over a closed interval, to integrals with respect to the Brownian motion, ∫ [
Bardina Xavier, Boukfal Salim
doaj   +1 more source

On the excursions of drifted Brownian motion and the successive passage times of Brownian motion

open access: yes, 2016
By using the law of the excursions of Brownian motion with drift, we find the distribution of the $n-$th passage time of Brownian motion through a straight line $S(t)= a + bt.$ In the special case when $b = 0,$ we extend the result to a space-time ...
Abundo, Mario
core   +1 more source

Optimal insider control and semimartingale decompositions under enlargement of filtration

open access: yes, 2016
We combine stochastic control methods, white noise analysis and Hida-Malliavin calculus applied to the Donsker delta functional to obtain new representations of semimartingale decompositions under enlargement of filtrations.
Draouil, Olfa, Øksendal, Bernt
core   +1 more source

An extension of Wiener integration with the use of operator theory

open access: yes, 2009
With the use of tensor product of Hilbert space, and a diagonalization procedure from operator theory, we derive an approximation formula for a general class of stochastic integrals.
Ash R. B.   +9 more
core   +1 more source

Stochastic Volterra equations driven by cylindrical Wiener process

open access: yes, 2007
In this paper, stochastic Volterra equations driven by cylindrical Wiener process in Hilbert space are investigated. Sufficient conditions for existence of strong solutions are given.
Karczewska, Anna, Lizama, Carlos
core   +2 more sources

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