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EnglishIn this paper we discuss asymmetric length structures and asymmetric metric spaces. A length structure induces a (semi)distance function; by using the total variation formula, a (semi)distance function induces a length. In the first part we identify a topology in the set of paths that best describes when the above operations are idempotent. As a typical application, we consider the length of paths defined by a Finslerian functional in Calculus of Variations. In the second part we generalize the setting of General metric spaces of Busemann, and discuss the newly found aspects of the theory: we identify three interesting classes of paths, and compare them; we note that a geodesic segment (as defined by Busemann) is not necessarily continuous in our setting; hence we present three different notions of intrinsic metric space.
| Titolo: | On Asymmetric Distances | |
| Autori: | ||
| Data di pubblicazione: | 2013 | |
| Rivista: | ||
| Parole Chiave: | Asymmetric metric; length structure | |
| Digital Object Identifier (DOI): | http://dx.doi.org/10.2478/agms-2013-0004 | |
| Handle: | http://hdl.handle.net/11384/7345 | |
| Appare nelle tipologie: | 1.1 Articolo in rivista |
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