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Brownian motion (in continuous limit)
URI:
https://gptkb.org/entity/Brownian_motion_(in_continuous_limit)
GPTKB entity
Statements (50)
Predicate
Object
gptkbp:instanceOf
gptkb:stochastic_process
gptkbp:alsoKnownAs
gptkb:Wiener_process
gptkbp:dimensions
can be defined in any dimension
gptkbp:distribution
gptkb:normal_distribution
gptkbp:hasCovariance
min(s,t) for times s, t
gptkbp:hasGenerator
Laplacian operator
gptkbp:hasModel
random movement of particles
stock prices (in Black-Scholes model)
gptkbp:hasProperty
independent increments
stationary increments
nowhere differentiable
continuous paths
gptkbp:hasScalingProperty
B(at) = sqrt(a) B(t)
gptkbp:hasSpecialCase
gptkb:stochastic_process
gptkbp:hasTransitionDensity
Gaussian kernel
https://www.w3.org/2000/01/rdf-schema#label
Brownian motion (in continuous limit)
gptkbp:introduced
gptkb:Norbert_Wiener
gptkbp:isGaussianProcess
true
gptkbp:isMartingale
true
gptkbp:legalSystem
gptkb:Wiener_measure
gptkbp:limitation
random walk (as step size goes to zero)
gptkbp:meaning
0
gptkbp:origin
mathematical model of physical Brownian motion
gptkbp:samplePath
almost surely continuous
almost surely nowhere differentiable
gptkbp:satisfies
gptkb:Markov_property
gptkbp:solvedBy
gptkb:stochastic_process
gptkbp:startDate
0
gptkbp:usedIn
gptkb:heat_equation
gptkb:percolation_theory
gptkb:probability_theory
gptkb:signal_processing
gptkb:statistical_mechanics
gptkb:stochastic_process
ecology
hydrodynamics
mathematical biology
mathematical finance
option pricing
physics
quantum mechanics
potential theory
random matrix theory
polymer science
Ito calculus
random fractals
Feynman-Kac formula
gptkbp:variant
t (time parameter)
gptkbp:bfsParent
gptkb:Drunkard's_Walk
gptkbp:bfsLayer
6