Type la supernovae: observational overview.- Supernova theory: an overview.- Infrared and optical spectroscopy of Type la supernovae.- Modeling the light curves of Type la supernovae.- The rate of supernovae: biases and uncertainties.- Statistical studies of supernovae.- Correlation of SN positions with spiral arms.- Scenarios for Type la supernovae.- The double degenerate population in the solar neighborhood.- Luminous supersoft X-ray sources as Type la progenitors.- Pre-explosion evolution of sub-Chandrasekhar Type la supernovae.- A phenomenological approach to the formation of massive CO white dwarfs.- The merging of white dwarfs.- SNe Ia: on the binary progenitors and expected statistics.- The elusive close binary white dwarfs.- Radio emission from Type la supernovae: a test of symbiotic star progenitor systems. The case of SN 1986G.- An observational limit on circumstellar Ha from Supernova SN 1994D.- The paths to white dwarf explosion/collapse.- Low mass SN la and the late light curve.- The final evolution of 8-10 MG stars.- Type la supernovae: flame physics and models.- Turbulence and thermonuclear burning.- Type la supernovae: nucleosynthesis and constraints on progenitors.- Flame instabilities and models of white dwarf burning.- SPH simulations of thermonuclear supernovae.- Thermonuclear supernova models.- Helium and carbon detonations in sub-Chandrasekhar white dwarfs.- Microscopic and macroscopic modeling of thermonuclear burning fronts.- Three-dimensional simulations of core ignition in sub-Chandrasekhar mass models.- Three-dimensional combustion in Type la supernovae.- Nucleosynthesis in SNe Ia and their impact on galactic evolution.- Gamma-rays and X-rays from Type la supernovae.- INTEGRAL and the Type la supernovae.- ASCA observation ofsupernova remnants.- Radiation transport in Type la supernovae.- On the correct treatment of expansion opacity in supernova light curve calculations.- Time dependence and the opacity of Type la supernovae.- NLTE modeling of SNe la near maximum light.- Models of the early-time spectra of SNe la using a Monte Carlo code.- Explosion models, light curves, spectra and H0.- The late-time emission of thermonuclear supernovae.- Analysis of the Type Ia supernova SN 1994D.- The late-time spectrum of SN 1991bg.- Type la supernovae as extragalactic distance indicators.- Maximum luminosities of Type la supernovae from Cepheid distances and the value of H0.- Scheduled discovery of 7+ high-redshift SNe: first cosmology results and bounds on q0.- The high-z SN search.- Observation of cosmological time dilation using Type Ia supernovae as clocks.- The Type la SNe rate at z ~0.4.- Type I supernova subclasses.- Type Ib and le supernovae: models and spectra.- Type Ib-Ic-IIb-IIL supernovae: common envelope evolution, instabilities, and circumstellar interaction.- New perspectives on Type le supernovae.- Concluding remarks -or- what I did on my coffee break.