Prof. A. Bostock Hill

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A Letter for Honoring Prof. Takeshi Matsuura

Dear Prof

distinct roles in heparan sulfate modifications and embryonic and larval development in Caenorhabditis elegans Katsufumi Dejima , Daisuke Murata, Souhei Mizuguchi, Kazuko H. Nomura, Tomomi Izumikawa, Hiroshi Kitagawa, Keiko Gengyo-Ando , Sawako Yoshina, Tomomi Ichimiya, Shoko Nishihara, Shohei Mitani and Kazuya Nomura* From the Department of Biology, Faculty of Sciences 33, Kyushu University, F...

Prof. Spearman

A Multivariate Hill Estimator

We propose a simple and semi-parametric estimator for the tail index of a regular varying elliptical random vector. Since, for univariate random variables, our estimator boils down to the Hill estimator and it inherits the simplicity and asymptotic properties, we name it after Bruce M. Hill. The estimator is based on the distance between an elliptical probability contour and the outer – or exce...