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In June 2010, a conference, Probability Approximations and Beyond, was held at the National University of Singapore (NUS), in honor of pioneering mathematician Louis Chen. Chen made the first of several seminal contributions to the theory and application of Steins method. One of his most important contributions has been to turn Steins concentration inequality idea into an effective tool for providing error bounds for the normal approximation in many settings, and in particular for sums of random variables exhibiting only local dependence.  This conference attracted a large audience that came to pay homage to Chen and to hear presentations by colleagues who have worked with him in special ways over the past 40+ years.  The papers in this volume attest to how Louis Chens cutting-edge ideas influenced and continue to influence such areas as molecular biology and computer science. He has developed applications of his work on Poisson approximation to problems of signal detection in computational biology. The original papers contained in this book provide historical context for Chens work alongside commentary on some of his major contributions by noteworthy statisticians and mathematicians working today.

Features exciting theoretical developments and scientific applications based off of Chens researchProvides expert insight into a pioneering figure by leading statisticians and mathematiciansIncludes supplementary material: sn.pub/extras