This object is in collection
Abstract: Lie group contraction is a process by which Lie groups are ''flattened out''. This thesis finds the algebra of bi-invariant differential operators (identified with the center of the universal enveloping algebra) for the Galilean group (which is a contraction of the Poincare group).
Thesis (Ph.D.)--Tufts University, 2015.
Submitted to the Dept. of Mathematics.
A... read more