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4 papers · 1 filter
The legacy of the experimental hadron physics programme at COSY
Colin Wilkin
The experimental hadronic physics programme at the COoler SYnchrotron of the Forschungszentrum Juelich terminated at the end of 2014. After describing the accelerator and the assoc…
Large sample behaviour of high dimensional autocovariance matrices
Monika Bhattacharjee, Arup Bose
The existence of limiting spectral distribution (LSD) of , the symmetric sum of the sample autocovariance matrix of order , is known when the observ…
Learning with Optimal Interpolation Norms
Patrick L. Combettes, Andrew M. McDonald, Charles A. Micchelli +1
We analyze a class of norms defined via an optimal interpolation problem involving the composition of norms and a linear operator. This construction, known as infimal postcompositi…
A nonlinear impact: evidences of causal effects of social media on market prices
Thársis T. P. Souza, Tomaso Aste
Online social networks offer a new way to investigate financial markets' dynamics by enabling the large-scale analysis of investors' collective behavior. We provide empirical evide…