The Initial Mass Function 50 Years Later

Preface,List of Participants,Part I The IMF Concept through Time, Introduction to IMF@50, Ed, me, and the Insterstellar Medium,The IMF challenge - 25 questions, Fifty years of IMF variation: the intermediate-mass stars, The Initial Mass Function: from Salpeter 1955 to 2005, Part II The IMF in our Galaxy: Clusters and field stars, The field IMF across the H-burning, The 0.03-10M.mass function of young open clusters, The time spread of star formation in the Pleiades, Age spreads in clusters and associations: the lithium test, The Initial Mass Function of three galactic open clusters, The stellar IMF of galactic clusters and its evolution, Two stages of star formation in globular clusters and the IMF, The stellar Initial Mass Function in the Galactic Center, The Initial Mass Function in the Galactic Bulge, Halo mass function 101, Part III The IMF in our Galaxy: Star forming regions, Embedded clusters and the IMF, The IMF of stars and brown dwarfs in star forming regions, The substellar IMF of the Taurus cloud, The low-mass end of the IMF in Chamaeleon I, Limitations of the IR-excess method for identifying young stars, The IMF of Class II objects in the active Serpens cloud core, Orionis: a 0.02-50M. IMF, Does the "stellar" IMF extend to planetary masses?, Estimating the low-mass IMF in OB associations: Orionis, Young brown dwarfs in Orion, The formation of free-floating brown dwarves & planetary-mass objects by photo-erosion of prestellar cores, IMF in small young embedded star clusters, The Arches cluster - a case for IMF variations?, The IMF and mass segregation in young galactic starburst clusters, A 2.2 micron catalogue of stars in NGC 3603, The IMF of the massive star forming region NGC 3603 from VLT adaptive optics observations, X-rays and young clusters, NGC 2264: a Chandra view, Part IV The Extragalactic IMF, Variations of the IMF, On the form of the IMF: upper-mass cutoff and slope, Evidence for a fundamental stellar upper mass limit from clustered star