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This elegant generalization is mathematically very appealing; but physics means facing facts. You should take up case by case.
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One should not value elegant math above physical facts. As quoted by Sundaram, R. (December 10 1998). "K. S. Krishnan—the complete physicist". Current Science 75 (11): 1263-1265.

 

Kariamanickam Srinivasa Krishnan

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