Dylan Peifer

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A difference set is a subset of a group that has a nice combinatorial property. Definition 1. A 〈v, k, λ〉-difference set is a nonempty proper subset D of a finite group G such that |G| = v, |D| = k, and each nonidentity element of G can be written as did j for di, dj ∈ D in exactly λ different ways. Example 1. Let C7 = 〈x|x = 1〉 and D = {x, x, x}. Then D is(More)
A clinical evaluation of the Easy-Flow External Condom Catheter (Delphi Medical Products) was performed on incontinent patients of the Salt Lake City VA Medical Center. All 20 subjects were experienced users of condom catheters prior to entering the study. Use of the experimental device reduced frequency of change for 10 patients, increased daytime dryness(More)
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