Cited passages: section 2, Loop'salgorithm and original masks; sections 3–4, especially Remark 1, original central weight alpha, lambda0=5/8 and lambda1=3/8+(1/4)cos(2pi/n); introduction, regular and extraordinary vertices.
Master'sthesis, Department of Mathematics, University of Utah. The publication page confirms author, title and year; its large PDF was not accessible through the browser during this review. The original-mask formulas are instead checked against Loop's accessible 2000 report.