Renormalization of the Mass Gap

The following sections are included:

• Introduction

• The intrinsically non-perturbative gluon propagator

• Confining gluon propagator

• The renormalized running effective charge

• The general criterion of gluon confinement

• The general criterion of quark confinement

• The general criterion of dynamical/spontaneous breakdown of chiral symmetry

• Physical limits

• Asymptotic freedom and the mass gap

• Appendix: The Weierstrass – Sokhatsky – Casorati theorem

• Problems