The phenomenon of diffraction may be defined by any deviation of geometrical rays from rectilinear paths which cannot be interpreted as reflection and refraction. Although the ascending series solutions to some canonical structures as cylinders, spheres, conducting wedges, etc. are available, they are not directly useful in high frequency region. Those ascending series solutions suffer from ver...

triphalangeal thumb is characterized by the interposition of an extra-phalanx between two normal ones. in this article the authors present the case of a 24-year-old man with bilateral triphalangeal thumb of opposable type, without any other associated anomaly or genetic syndrome. the patient had triangular delta extra-phalanxes that caused ulnar deviation of both thumbs. surgical procedure for ...

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In this study, we conducted small-scale physical modeling tests to consider the impact of infiltration rainfall in order investigate processes involved wedge slope deformation and failure. The experiments were under controlled conditions intersection angle half-wedge angle. observations obtained during each stage failure used explain how gravity varies on slopes infer influences results indicat...

The complement of an arrangement hyperplanes in $\mathbb C^n$ has a natural bordification to manifold with corners formed by removing (or "blowing up") tubular neighborhoods the and certain their intersections. When is complexification real simplicial arrangement, closely resembles Harvey's moduli space. We prove that faces universal cover are parameterized simplices complex $\mathcal{C}$, vert...

BACKGROUND Theoretical considerations suggest that leg length increases after opening wedge high tibial osteotomy (HTO) and decreases after closing wedge HTO; however, in vivo studies have yielded conflicting results. This meta-analysis therefore assessed changes in leg length after opening wedge and closing wedge HTO. METHODS All studies comparing pre- and postoperative leg length in patient...