Talk:Rotational invariance
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Application to Quantum Mechanics
If Rotation does not depend explicitely on time, and the rotation operator is
- ,
then, does not depend explicitely on time. Why is it necessary to go through all the commutator computations? —Thurth (talk) 06:44, 24 March 2009 (UTC)
Conformal invariance
Is rotational invariance related to conformal invariance? Article doesn't say.