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math.NT2020
The $\thera$-congruent numbers elliptic curves via a Fermat-type theorem
Sajad Salami, Arman Shamsi Zargar
A positive integer is called a -congruent number if there is a $\ta$-triangle with rational sides for which the angle between and is equal to and its a…
math.NT2020
Rational -parallelogram envelopes via -congruent elliptic curves
Sajad Salami, Arman Shamsi Zargar
We introduce a new generalization of -congruent numbers by defining the notion of rational -parallelogram envelope for a positive integer , where is an angle…