Camilo's VPQME_PAPER changes.

[ndattani]

1. Eq. 34 just interaction picture-like thing?
2. Equations that are too small: 38, 62-63, 73-77, Eq. 79 and all similar

Eqs 75-76 need better \lvert and \rvert

3. Why Eq. 37 has two transformations?
4. Walk me through rest of derivation.