Rational right triangles and the Congruent Number Problem
| Autor: | Martens, G. Jacob |
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| Rok vydání: | 2021 |
| Předmět: | |
| Druh dokumentu: | Working Paper |
| Popis: | From Euclid's fundamental formula for the Pythagorean triples we define the rational triples relating certain congruent numbers by an identity and explore their relationships. We introduce two geometric methods relating the congruent number problem to pairs of conic sections. We show a relationship between the Cassini ovals and the congruent number problem. By the tangent method we define a set of rational triangles from an initial solution for a congruent number. We define the prime footprint equations for right triangles for certain congruent numbers. By the unseen recurrence we define infinite trees of rational triangles and congruent numbers. Congruent number families are defined related to the Fibonacci/Lucas numbers and the Chebyshev polynomials. We show that the semiperimeter of the Brahmagupta triangles are congruent numbers in function of the Chebyshev polynomials of the first kind. We present a naive recursive algorithm to solve the problem posed by Fermat for triangles with $a+b=\square$ and $c=\square$ Comment: 24 pages, 5 figures |
| Databáze: | arXiv |
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