On the region defined by | xy | ≤ 1, x2 + y2 ≤ t
1953 ◽
Vol 49
(1)
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pp. 63-71
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In this paper I find the critical lattices of the region Kt defined by the inequalities | xy | ≤ 1, x2 + y2 ≤ t (t > 0). I deduce in §9 the arithmetic minima of a pair of binary quadratic formswhere f1 is indefinite, f2 is positive definite, and f1, f2 are harmonically related, that is to sayand
1982 ◽
Vol 92
(1)
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pp. 29-33
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1989 ◽
Vol 105
(4)
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pp. 847-847
2014 ◽
Vol 10
(06)
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pp. 1395-1420
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1996 ◽
Vol 142
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pp. 95-132
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Keyword(s):