The gamma-ray bursts, core-collapse supernovae and global star forming rate at large redshifts

V. V. Sokolov*
Special Astrophysical Observatory of the Russian Academy of Sciences (SAO RAS), Nizhnij Arkhyz 369167, Russia

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This article is a brief review and discussion of statement of some observational problems of gamma-ray bursts (GRBs), their host galaxies and starformation at small and large redshifts. Are there similarities and differences between GRB hosts and the typical galaxy population? This is currently the main question for the study of GRB host galaxies. The direct connection between long-duration GRBs and massive stars explosions and some puzzles related to core-collapse supernovae are briefly discussed.

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Keywords : gamma-ray bursts: star formation galaxies: supernovae.