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We introduce and discuss Jones pairs. These provide a generalization and a new approach to the four-weight spin models of Bannai and Bannai. We show that each four-weight spin model determines a " dual " pair of association schemes.
BACKGROUND Although often associated with holoprosencephaly, little detail of the histopathology of cyclopia is available. Here, we describe the ocular findings in a case of trisomy 13 to better understand the histogenesis of the rosettes, or tubules, characteristic of the retinal dysplasia associated with this condition. METHODS A full pediatric autopsy… (More)
Different researchers have tried to determine the factors for a successful project for a long time. Lists of variables have been abounded in the literature, however, no general agreement can be made. The aim of this paper is to develop a conceptual framework on critical success factors ͑CSFs͒. Seven major journals in the construction field are chosen to… (More)
In 1989, Vaughan Jones introduced spin models and showed that they could be used to form link invariants in two different ways—by constructing representations of the braid group, or by constructing partition functions. These spin models were subsequently generalized to so-called 4-weight spin models by Bannai and Bannai; these could be used to construct… (More)
Type-II matrices are a class of matrices used by Jones in his work on spin models. In this paper we show that type-II matrices arise naturally in connection with some interesting combinatorial and geometric structures.
Epithelioid sarcoma of the vulva is an extremely rare neoplasm with aggressive behavior and poor outcome. Herein, we report a case of vulvar epithelioid sarcoma presenting in a 17-year-old very early in her pregnancy. The patient presented with an asymptomatic nodule of the right labia majora of 1-year duration. Computerized tomographic scans showed… (More)
Various bacterial products from BiOWiSH TM Technologies have been tested in dairy wastewater experiments to determine the bacterial mixes' ability for enhanced degradation of biochemical oxygen demand (BOD), solids, and nitrate concentrations. The dairy wastewater was augmented with various bacterial composition obtained from BiOWiSH TM. to optimize and… (More)