Results 81 to 90 of about 2,499,076 (175)
Approximate Ergodic Capacity of a Class of Fading 2x2x2 Networks [PDF]
, 2012 We study a 2-user 2-hop network with 2 relays in which channel coefficients are independently drawn from continuous distributions and vary over time. For a broad class of channel distributions, we characterize the ergodic sum capacity within a constant ...
Michael Gastpar +5 more
core +2 more sources
A new lower bound on the ergodic capacity of optical MIMO channels [PDF]
2017 IEEE International Conference on Communications (ICC), 2017 4 pages, 4 figures, accepted at IEEE ICC 2017 Optical Networks and Systems ...
Bonnefoi, Rémi, Nadaud, Kevin
openaire +4 more sources
Detecting Periodicity of a General Stationary Time Series via AR(2)‐Model Fitting
Journal of Time Series Analysis, EarlyView.ABSTRACT Estimating the periodicity of a stationary time series via fitting a second‐order stationary autoregressive (AR(2)) model has been initiated by the seminal paper of Yule (1927). We investigate properties of this procedure when applied to general stationary processes possessing a spectral density with a dominant peak at some unknown frequency ...
Jens‐Peter Kreiss +2 more
wiley +1 more source
Asymptotics of Time‐Varying Processes in Continuous‐Time Using Locally Stationary Approximations
Journal of Time Series Analysis, EarlyView.ABSTRACT We introduce a general theory on stationary approximations for locally stationary continuous‐time processes. Based on the stationary approximation, we use θ$$ \theta $$‐weak dependence to establish laws of large numbers and central limit type results under different observation schemes.
Robert Stelzer, Bennet Ströh
wiley +1 more source
Interview guide used across 5 test facilities in 3 African countries to explore enablers, barriers and effects of a research capacity strengthening programme, targeting development of a Quality Management System compliant with Good Laboratory Practice ...
Capacity Research, Centre for
core +1 more source
Justifying Definitions in Mathematics—Going Beyond Lakatos [PDF]
, 2009 This paper addresses the actual practice of justifying definitions in mathematics. First, I introduce the main account of this issue, namely Lakatos's proof-generated definitions.
Werndl, Charlotte
core +1 more source
Tackling nonlinear price impact with linear strategies
Mathematical Finance, Volume 35, Issue 2, Page 422-440, April 2025.Abstract Empirical studies in various contexts find that the price impact of large trades approximately follows a power law with exponent between 0.4 and 0.7. Yet, tractable formulas for the portfolios that trade off predictive trading signals, risk, and trading costs in an optimal manner are only available for quadratic costs corresponding to linear ...
Xavier Brokmann +3 more
wiley +1 more source
Table 1: Location, institution type, focal science and number of participants interviewed in each capacity ...
Centre for Capacity Research
core +1 more source
A non-singular version of the Oseledeč ergodic theorem
, 2023 Kingman's subadditive ergodic theorem is traditionally proved in the setting of a measure-preserving invertible transformation T of a measure space.
Jin, JIE, Dooley, AH
core +1 more source
A Goodness of Fit Test for Ergodic Markov Processes [PDF]
We introduce a goodness of fit test for ergodic Markov processes. Our test compares the data against the set of stationary densities implied by the class of models specified in the null hypothesis, and rejects if no model in the class yields a stationary
Vance Martin +2 more
core +2 more sources