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JOURNALS // Fundamentalnaya i Prikladnaya Matematika // Archive
Fundam. Prikl. Mat., 2013 Volume 18, Issue 6, Pages 91–94 (Mi fpm1554)
A differential equation on the cover function of the hexagonal lattice by the trivalent tree

K. V. Golubev

Einstein Institute of Mathematics, Jerusalem, Israel

Abstract: We provide a differential equation on the cover function of the hexagonal lattice by the trivalent tree, formulated using the modular discriminant considered as a function on the hyperbolic plane.

UDC: 512


 English version: Journal of Mathematical Sciences (New York), 2015, 209:2, 222–224

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© Steklov Math. Inst. of RAS, 2025