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\title{Notes from the ESO-CMZ 2015 workshop}  \section{Introduction}  The workshop is intended to discuss ongoing and future work studying the central molecular zone of our galaxy, with a particular emphasis on the relationship between the molecular gas and star formation.  The conference web page is \url{http://eso.org/~aginsbur/ESO-CMZ-2015.html} and abstracts are listed at \url{http://eso.org/~aginsbur/abstracts.html}.