Non-stationary paper revision.

• replace the original trace condition with the weak one between $\U_{Y|X}$ and $\Delta \mu^{(i)}_{X}$.
• add two assumptions in the graph case.
  • between condition and marginal
  • between variation of one group and base of other groups (both marginal)
• experiments make ENCI outperforms IGCI-MV
• polish the existing parts

Paper Reading

SGS, PC and TPDA