Lévy processes
E1020434
Lévy processes are a class of stochastic processes with stationary, independent increments that generalize random walks and Brownian motion, widely used to model jump-like and continuous-time random phenomena in probability theory and finance.
All labels observed (5)
| Label | Occurrences |
|---|---|
| Lévy process | 2 |
| CGMY processes | 1 |
| Lévy flights | 1 |
| Lévy process theory | 1 |
| Lévy processes canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T13070789 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Lévy processes Context triple: [Paul Lévy, knownFor, Lévy processes]
-
A.
Itô processes
Itô processes are a class of stochastic processes, typically modeled as solutions to stochastic differential equations, that form the fundamental objects of study in Itô calculus and modern stochastic analysis.
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B.
Stochastic Processes
"Stochastic Processes" is a foundational textbook by Emanuel Parzen that rigorously introduces the theory and applications of random processes in probability and statistics.
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C.
Stochastic Processes
Stochastic Processes is a foundational 1953 monograph by Joseph L. Doob that rigorously develops the theory of stochastic processes and modern probability using measure-theoretic methods.
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D.
Markov processes
Markov processes are stochastic processes in which the future evolution depends only on the present state and not on the past history.
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E.
Lyons' rough path theory
Lyons' rough path theory is a mathematical framework that extends classical calculus to analyze and solve differential equations driven by highly irregular signals, such as paths with low regularity or stochastic processes like Brownian motion.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Lévy processes Target entity description: Lévy processes are a class of stochastic processes with stationary, independent increments that generalize random walks and Brownian motion, widely used to model jump-like and continuous-time random phenomena in probability theory and finance.
-
A.
Itô processes
Itô processes are a class of stochastic processes, typically modeled as solutions to stochastic differential equations, that form the fundamental objects of study in Itô calculus and modern stochastic analysis.
-
B.
Stochastic Processes
"Stochastic Processes" is a foundational textbook by Emanuel Parzen that rigorously introduces the theory and applications of random processes in probability and statistics.
-
C.
Stochastic Processes
Stochastic Processes is a foundational 1953 monograph by Joseph L. Doob that rigorously develops the theory of stochastic processes and modern probability using measure-theoretic methods.
-
D.
Markov processes
Markov processes are stochastic processes in which the future evolution depends only on the present state and not on the past history.
-
E.
Lyons' rough path theory
Lyons' rough path theory is a mathematical framework that extends classical calculus to analyze and solve differential equations driven by highly irregular signals, such as paths with low regularity or stochastic processes like Brownian motion.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
class of stochastic processes
ⓘ
mathematical concept ⓘ object of probability theory ⓘ |
| characterizedBy |
Lévy–Itô decomposition
ⓘ
Lévy–Khintchine formula ⓘ
linked to:
Lévy measure
|
| definedOn | probability space ⓘ |
| distributionClass | infinitely divisible distributions ⓘ |
| field |
mathematical finance
ⓘ
probability theory ⓘ stochastic processes ⓘ |
| generalizes |
Brownian motion
ⓘ
random walks ⓘ |
| hasComponent |
Lévy measure
ⓘ
Lévy triplet ⓘ
linked to:
Lévy measure
diffusion coefficient ⓘ drift term ⓘ |
| hasProperty |
Markov property
ⓘ
cadlag paths ⓘ independent increments ⓘ infinitely divisible finite-dimensional distributions ⓘ stationary increments ⓘ stochastic continuity ⓘ |
| includesAsSpecialCase |
Brownian motion
ⓘ
Poisson process ⓘ compound Poisson process ⓘ gamma process ⓘ normal inverse Gaussian process ⓘ stable process ⓘ tempered stable process ⓘ variance gamma process ⓘ |
| indexSet | nonnegative real numbers ⓘ |
| namedAfter | Paul Lévy ⓘ |
| relatedConcept |
Ornstein–Uhlenbeck processes driven by Lévy noise
ⓘ
infinitely divisible laws ⓘ semimartingales ⓘ subordinators ⓘ |
| timeParameter | continuous time ⓘ |
| usedIn |
biology
ⓘ
insurance mathematics ⓘ option pricing ⓘ physics ⓘ queueing theory ⓘ risk management ⓘ signal processing ⓘ |
| usedToModel |
asset returns with jumps
ⓘ
heavy-tailed phenomena ⓘ jump processes in finance ⓘ random motion with jumps ⓘ turbulence ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Lévy processes Description of subject: Lévy processes are a class of stochastic processes with stationary, independent increments that generalize random walks and Brownian motion, widely used to model jump-like and continuous-time random phenomena in probability theory and finance.
Referenced by (6)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Lévy processes
linked to: Lévy processes
linked to: Lévy processes
linked to: Lévy processes
linked to: Lévy processes