Changryeol Lee

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Given a set S of points in the plane, a geometric network for S is a graph G with vertex set S and straight edges. We consider a broadcasting situation, where one point r ∈ S is a designated source. Given a dilation factor δ, we ask for a geometric network G such that for every point v ∈ S there is a path from r to v in G of length at most δ|rv|, and such(More)
[Purpose] The purpose of this study was to compare the effects of heel-height changes on the low joint angles of the lower extremities of women in their 20s during gait. [Subjects and Methods] Qualisys Track Manager Software ver. 2.8 (Qualisys, Sweden) was used to perform measurements on 14 female university students in their 20s. To measure movements, the(More)
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