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hep-th2000
Coarse graining and renormalization
Ji-Feng Yang
Formulating the QFT's as coarse grained 'low' energy sectors of a postulated complete quantum theory of everything with the 'high' energy modes integrated out or 'clustering' into…
hep-th2000
A differential equation approach for examining the subtraction schemes
Ji-Feng Yang
We propose a natural differential equation with respect to mass(es) to analyze the scheme dependence problem. It is shown that the vertex functions subtracted at an arbitrary Eucli…