Niyazî-i Mısrî'nin "Etvâr-ı Seb'a" Adlı Risâlesi'nde Seyr ü Sülûk'un Evrelerinde

Optimal Financial Nä ı veté

When agents first become active investors in financial markets, they are relatively inexperienced. Much of the literature focuses on the incentives of presumably sophisticated informed agents to produce information, and not on the na¨ıve agents. However , unsophisticated agents are important aspects of financial markets and worth analyzing further. In this paper, we provide a theoretical perspe...

Sparse Empirical Bayes Analysis (SEBA)

We consider a joint processing of n independent sparse regression problems. Each is based on a sample (yi1, xi1) . . . , (yim, xim) of m i.i.d. observations from yi1 = x T i1βi+εi1, yi1 ∈ R, xi1 ∈ R, i = 1, . . . , n, and εi1 ∼ N(0, σ), say. p is large enough so that the empirical risk minimizer is not consistent. We consider three possible extensions of the lasso estimator to deal with this pr...

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The Korean Air Force is continuously being challenged with the problem of whether to drop or retain a student who is having difficulties in flight training. The pass or fail decision is critical not only to the Korean Air Force but also to the student pilot himself. The purpose of this study is to determine and standardize criteria of excellence in order to improve the success of the student pi...

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