Abstract
Discrete versions of the heat equation on two-dimensional uniform lattices are shown to possess the same symmetry algebra as their continuum limits. Solutions with definite symmetry properties are presented.
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Floreanini, R., Negro, J., Nieto, L.M. et al. Symmetries of the heat equation on the lattice. Lett Math Phys 36, 351–355 (1996). https://doi.org/10.1007/BF00714402
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DOI: https://doi.org/10.1007/BF00714402