Quasisymmetric embedding of self similar surfaces and origami with rational maps.
On établit une minoration pour la première valeur propre non nulle du problème de Neumann sur les variétés riemanniennes à bord; la nécessité des bornes géométriques utilisées est illustrée par une série d’exemples. Cette approche prolonge celle de Li-Yau, qui était limitée à l’étude du cas où le bord est convexe.
The different notions of matings of pairs of equal degree polynomials are introduced and are related to each other as well as known results on matings. The possible obstructions to matings are identified and related. Moreover the relations between the polynomials and their matings are discussed and proved. Finally holomorphic motion properties of slow-mating are proved.
We survey known results about polynomial mating, and pose some open problems.
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