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Article Contents

ABSTRACT

1.GALAXY FORMATION IN A HIERARCHICAL UNIVERSE

1.1.The theoretical framework

1.2.Computer simulations:the angular momentum problem

2.MODELING ISSUES AND NUMERICAL EFFECTS IN COMPUTER SIMULATIONS OF DISK FORMATION

2.1.Numerical methods

2.2.Numerical effects: two-body heating

2.3.Numerical loss of angular momentum in the baryonic component

2.4.Resolution issues in cosmological disk formation simulations

3.THE ROLE OF ISM PHYSICS AND STAR FORMATION: SUB-GRID MODELS IN SIMULATIONS

3.1.The physics of the ISM

3.2.Modeling issues

3.3.Star formation recipes

3.4.Modeling ISM thermodynamics with supernovae feedback

4.THE EFFECT OF ISM MODELS ON DISK FORMATION

4.1.Isolated galaxy models

4.2.Cosmological simulations of disk formation with blast-wave feedback

5.OPEN ISSUES AND FINAL REMARKS

5.1.Origin of bulgeless galaxies

5.2.Additional issues at a glance

REFERENCES