Abstract: The presence of two kinds of higher-order degeneracy conditions in a type of glide-symmetric lossless and gainless double-corrugated waveguide is demonstrated. The waveguide, consisting of a ...

Abstract: Symmetry is a widespread phenomenon in nature. Recognizing symmetry can minimize redundancy to improve computing efficiency. In this paper, we take permutation-related combinatorial ...

(SOUTHERN COLORADO) — Now that Christmas is over and needles are falling on the carpet, what do you do with your live Christmas tree? Several groups in Southern Colorado are offering tree recycling ...