ar X iv : a st ro - p h / 97 03 16 1 v 1 2 5 M ar 1 99 7 The

ar X iv : a st ro - p h / 97 03 16 1 v 2 2 6 M ar 1 99 7 The Case for ΛCDM

The case is simple: there is no compelling theoretical argument against a cosmological constant and ΛCDM is the only CDM model that is consistent with all present observations. ΛCDM has two noteworthy features: it can be falsified in the near future (the prediction q0 ∼ − 1 2 is an especially good test), and, if correct, it has important implications for fundamental physics.

ar X iv : a st ro - p h / 97 11 24 4 v 1 2 0 N ov 1 99 7 POPULATION SYNTHESIS OF HIGH ENERGY TRANSIENTS RELATIVISTIC BINARY MERGING RATES

ar X iv : a st ro - p h / 97 11 13 5 v 1 1 2 N ov 1 99 7 HOT ELECTRONS AND COLD PHOTONS : GALAXY CLUSTERS AND THE SUNYAEV - ZEL ’ DOVICH EFFECT

ar X iv : a st ro - p h / 98 03 21 2 v 1 1 8 M ar 1 99 8 Anisotropy of CMB & Cosmological Model

In this brief review I will touch upon the main points and trends of observational and theoretical cosmology, that influence and change today our understanding of the Universe.

ar X iv : a st ro - p h / 97 07 27 4 v 1 2 5 Ju l 1 99 7 Nonlinear Pulsations

We review some of the recent advances in nonlinear pulsation theory, but also insist on some of the major extant shortcomings.