bn:03518228n
Noun Concept
EL
σπονδυλωτή καμπύλη
EN
In number theory and algebraic geometry, a modular curve Y is a Riemann surface, or the corresponding algebraic curve, constructed as a quotient of the complex upper half-plane H by the action of a congruence subgroup Γ of the modular group of integral 2×2 matrices SL. Wikipedia
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