Introduction

How to predict weak boson masses and questions related to the relationship of weak and strong interactions

1. Can one estimate the W/Z mass ratio including radiative corrections?

2. Some questions and remarks

3. Summary and conclusions

Appendix: Conformal involution,quantum homology, Lagrangian minimal surfaces and unitary representations of Lorentz group

1. The role of conformal involution

2. A connection between TGD and quantum homology

3. Are the minimal Lagrangian surfaces needed in TGD?

4. About exceptional unitary representations of SL(2,C)