Abstract
We show that the algebraic aspects of Lie symmetries and generalized symmetries in nonrelativistic and relativistic quantum mechanics can be preserved in linear lattice theories. The mathematical tool for symmetry preserving discretizations on regular lattices is the umbral calculus.
- Received 1 October 2003
DOI:https://doi.org/10.1103/PhysRevD.69.105011
©2004 American Physical Society
