"Version: 202303"--Title page verso.Includes bibliographical references.1. Polar coordinates--a review -- 1.1. Fundamental definitions -- 1.2. Polar coordinate unit vectors -- 1.3. Time derivatives of polar coordinate unit vectors -- 1.4. Some useful integrals and expansions2. Dynamical quantities in polar coordinates -- 2.1. Position, velocity, acceleration, angular momentum, torque, and energ…
"Version: 20230901"--Title page verso.Includes bibliographical references.1. A brief introduction to the physics of non-accreting white dwarfs -- 1.1. A historical background of the study of white dwarfs -- 1.2. Electron degeneracy -- 1.3. The inverse relation between WD mass and radius -- 1.4. The Chandrasekhar limit -- 1.5. Core compositions versus WD mass -- 1.6. Cooling evolution -- 1.7. WD…
"Version: 20250701"--Title page verso.Includes bibliographical references (pages 11-1-11-4).1. Story of an evolving low mass star : foreword -- 2. Pre main sequence--PMS -- 2.1. Hayashi track -- 2.2. Mean stellar temperature during gravitational contraction -- 2.3. Duration of the PMS phase -- 2.4. List of questions3. Core hydrogen burning -- 3.1. Minimum mass for nuclear burning -- 3.2. Onset …
"Version: 20250901"--Title page verso.Includes bibliographical references.The drunkard and the policeman -- part I. Theoretical background. 1. The ISM and star formation -- 1.1. The ISM as a Flowing continuum -- 1.2. the components of the ISM2. The hydrodynamic equations -- 2.1. The fluid approach -- 2.2. The conservation equations -- 2.3. Constitutive relations -- 2.4. The fluid equations from…