On the congruence modulo .
Riemann-Roch Theorem for Locally Principal Orders.
On automorphisms of quaternion orders.
A combinatorial class number formula.
Remarks on Relations between Maximal Lattices and Relatively Minimal Models.
s-rings and modular representations.
Arithmetical quadratic surfaces of genus 0, II.
On embedding numbers into quaternion orders.
On the imbeddings of imaginary quadratic orders in definite quaternion orders.
On integral similitude matrices
We study integral similitude 3 × 3-matrices and those positive integers which occur as products of their row elements, when matrices are symmetric with the same numbers in each row. It turns out that integers for which nontrivial matrices of this type exist define elliptic curves of nonzero rank and are closely related to generalized cubic Fermat equations.
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