Browsing by Publisher "Academıc Press Inc Elsevier Science"
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On numbers of the form n = x(2) + ny(2) and the hecke groups h(root n)
(Academıc Press Inc Elsevier Science, 2010)We consider the Hecke groups H(root N), N >= 2 integer, to get some results about the problem when a natural number n can be represented in the form n = x(2) + Ny(2). Given a natural number n, we give an algorithm that ...