scholarly journals Congruences for representations of primes by binary quadratic forms

1982 ◽  
Vol 41 (4) ◽  
pp. 311-322
Author(s):  
Richard Hudson ◽  
Kenneth Williams
Keyword(s):  
Quadratic Forms ◽  
Binary Quadratic Forms

scholarly journals On S-class number relations of algebraic tori in Galois extensions of global fields

1991 ◽  
Vol 124 ◽  
pp. 133-144 ◽  
Author(s):  
Masanori Morishita
Keyword(s):  
Class Number ◽  
Quadratic Forms ◽  
Euler Number ◽  
Number Fields ◽  
Binary Quadratic Forms ◽  
Algebraic Number Fields ◽  
Algebraic Tori ◽  
Genus Theory ◽  
Class Number Formula ◽  
Number Formula

As an interpretation and a generalization of Gauss’ genus theory on binary quadratic forms in the language of arithmetic of algebraic tori, Ono [02] established an equality between a kind of “Euler number E(K/k)” for a finite Galois extension K/k of algebraic number fields and other arithmetical invariants associated to K/k. His proof depended on his Tamagawa number formula [01] and Shyr’s formula [Sh] which follows from the analytic class number formula of a torus. Later, two direct proofs were given by Katayama [K] and Sasaki [Sa].

Representing Primes by Binary Quadratic Forms

1991 ◽  
Vol 64 (1) ◽  
pp. 34
Author(s):  
Steven Galovich ◽  
Jeremy Resnick
Keyword(s):  
Quadratic Forms ◽  
Binary Quadratic Forms

scholarly journals Indefinite binary quadratic forms with Markov ratio exceeding 9

2003 ◽  
Vol 47 (1-2) ◽  
pp. 305-316
Author(s):  
William C. Jagy ◽  
Irving Kaplansky
Keyword(s):  
Quadratic Forms ◽  
Binary Quadratic Forms
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