Square lattice Ising model ODE in exact arithmetic

Abstract

We obtain in exact arithmetic the order 24 linear differential operator L24 and the right-hand side E(5) of the inhomogeneous equation L24( (5)) = E(5), where (5) = χ̃ (5) − χ̃ (3)/2 + χ̃ (1)/120 is a linear combination of n-particle contributions to the susceptibility of the square lattice Ising model. In Bostan et al (2009 J. Phys. A: Math. Theor. 42… (More)

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