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Spectral Properties of Effective Dynamics from Conditional Expectations [PDF]

open access: yesEntropy, 2021
The reduction of high-dimensional systems to effective models on a smaller set of variables is an essential task in many areas of science. For stochastic dynamics governed by diffusion processes, a general procedure to find effective equations is the ...
Feliks Nüske   +3 more
doaj   +2 more sources

A closed-form expansion for the conditional expectations of the extended CIR process [PDF]

open access: yesHeliyon, 2022
This paper derives a closed-form expansion for the conditional expectation of a continuous-time stochastic process, given by Vt,T:=e−∫tTg(vs)dsf(vT) for 0≤t≤T, where vt evolves according to the extended Cox-Ingersoll-Ross process, for any C∞ functions f ...
Sanae Rujivan, Nopporn Thamrongrat
doaj   +2 more sources

Conditional Expectations and Renormalization [PDF]

open access: yesMultiscale Modeling and Simulation, 2003
18 pages, includes 5 ...
Alexandre J Chorin
exaly   +3 more sources

Tail Conditional Expectations Based on Kumaraswamy Dispersion Models

open access: yesMathematics, 2021
Recently, there seems to be an increasing amount of interest in the use of the tail conditional expectation (TCE) as a useful measure of risk associated with a production process, for example, in the measurement of risk associated with stock returns ...
Indranil Ghosh, Filipe J. Marques
doaj   +3 more sources

Convexity and Conditional Expectations

open access: yesAnnals of Probability, 1974
If a $n$-dimensional function is with probability one in a convex set, the same holds true for the conditional expectation (with respect to any sub-$\sigma$-field). An extreme point of this convex set can be assumed by the conditional expectation only if it is assumed by the original function and if this function is partially measurable with respect to
exaly   +4 more sources

Co-evolution of conditional cooperation and social norm

open access: yesScientific Reports, 2023
The co-evolution of conditional cooperation and social norms has garnered significant attention, yet the underlying mechanisms remain elusive. Social norms result from empirical expectations, individual expectations of group behavior, and normative ...
Balaraju Battu
doaj   +1 more source

Further characterization based on conditional expectations: new and extended findings

open access: yesJournal of Taibah University for Science, 2023
On the basis of conditional expectation of a random variable function, we present few characterization findings in this study. For a given function g, [Formula: see text], we present necessary and sufficient conditions for characterization results in ...
Ali. A. Al-Shomrani
doaj   +1 more source

False beliefs can bootstrap cooperative communities through social norms

open access: yesEvolutionary Human Sciences, 2021
Building cooperative communities is a crucial problem for human societies. Much research suggests that cooperation is facilitated by knowing who the cooperators and defectors are, and being able to respond accordingly.
Bryce Morsky, Erol Akçay
doaj   +1 more source

Computation of Conditional Expectations with Guarantees

open access: yesJournal of Scientific Computing, 2023
AbstractTheoretically, the conditional expectation of a square-integrable random variable Y given a d-dimensional random vector X can be obtained by minimizing the mean squared distance between Y and f(X) over all Borel measurable functions $$f :\mathbb {R}^d \rightarrow \mathbb {R}$$ f :
Patrick Cheridito, Balint Gersey
openaire   +3 more sources

Norm shifts under the strategy method [PDF]

open access: yesJudgment and Decision Making, 2021
The strategy method is a powerful method for eliciting conditional cooperation in strategic interactions. Theoretically, players’ cooperation conditional on a specific level of others’ cooperation using the strategy method should be equal to their ...
Simon Columbus, Robert Böhm
doaj   +2 more sources

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