In this paper hybrid Lorenz curves are proposed as a way of circumventing an important drawback of traditional models of the Lorenz curve, namely lack of satisfactory fit over the entire range of a given income distribution. Two categories of hybrid models are identified, namely the additive models and the multiplicative models. Whereas the additive models are obtained by taking convex combinat...

In this paper, the noise-enhanced detection problem is investigated for the binary hypothesis-testing. The optimal additive noise is determined according to a criterion proposed by DeGroot and Schervish (2011), which aims to minimize the weighted sum of type I and II error probabilities under constraints on type I and II error probabilities. Based on a generic composite hypothesis-testing formu...

Kalimantan Timur memiliki berbagai macam pesona alam tersendiri yang terdapat di daerah salah satunya Kota Bontang. Bontang juga sektor pariwisata berpotensi dan dapat dikembangkan sebagai daya tarik wisata. Sektor saat ini berpotensial untuk satu sumber pendapatan daerah. Sistem pendukung keputusan (SPK) pemilihan objek wisata berbasis computer. Adapun tujuan penelitian membangun sistem member...

We study the -rank of a real matrix A, defined for any > 0 as the minimum rank over matrices that approximate every entry of A to within an additive . This parameter is connected to other notions of approximate rank and is motivated by problems from various topics including communication complexity, combinatorial optimization, game theory, computational geometry and learning theory. Here we giv...

Luce and Marley [2005. Ranked additive utility representations of gambles: Old and new axiomatizations. Journal of Risk and Uncertainty, 30, 21–62] examined various relations between mathematical forms for the utility of joint receipt of gambles and for the utility of uncertain gambles. Their assumptions lead to a bisymmetry functional equation which, when the gambles are ranked, is defined on ...

Let G be an additive finite abelian group and $$\Gamma \subset {\rm End} (G)$$ a subset of the endomorphism G. A sequence $$S = g_1 \cdot \ldots g_{\ell}$$ over is ( $$\Gamma$$ -)weighted zero-sum if there are $$\gamma_1, \ldots, \gamma_{\ell} \in \Gamma$$ such that $$\gamma_1 (g_1) + (g_{\ell})=0$$ . We construct transfer homomorphisms from norm monoids (of Galois algebraic number fields with ...