Discrete Equivalence of Non-positive at Infinity Plane Valuations
نویسندگان
چکیده
Non-positive at infinity valuations are a class of real plane which have nice geometrical behavior. They divided in three types. We study the dual graphs non-positive and give an algorithm for obtaining them. Moreover we compare these attending type their corresponding valuation.
منابع مشابه
Evaluation codes defined by finite families of plane valuations at infinity
We construct evaluation codes given by weight functions defined over polynomial rings in m ≥ 2 indeterminates. These weight functions are determined by sets of m− 1 weight functions over polynomial rings in two indeterminates defined by plane valuations at infinity. Well-suited families in totally ordered commutative groups are an important tool in our procedure.
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We introduce the concept of δ-sequence. A δ-sequence ∆ generates a well-ordered semigroup S in Z or R. We show how to construct (and compute parameters) for the dual code of any evaluation code associated with a weight function defined by ∆ from the polynomial ring in two indeterminates to a semigroup S as above. We prove that this is a simple procedure which can be understood by considering a ...
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ژورنال
عنوان ژورنال: Results in Mathematics
سال: 2021
ISSN: ['1420-9012', '1422-6383']
DOI: https://doi.org/10.1007/s00025-021-01435-0