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This book features a detailed discussion of a strengthened form of the second Borel-Cantelli Lemma and the conditional form of the Borel-Cantelli Lemmas due to Levy, Chen and Serfling. All results are well illustrated by means of many interesting examples.

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This monograph provides an extensive treatment of the theory and applications of the celebrated Borel-Cantelli Lemma. Starting from some of the basic facts of the axiomatic probability theory, it embodies the classical versions of these lemma, together with the well known as well as the most recent extensions of them due to Barndorff-Nielsen, Balakrishnan and Stepanov, Erdos and Renyi, Kochen and Stone, Petrov and the present author. The versions of the second Borel-Cantelli Lemma for pair wise negative quadrant dependent sequences, weakly -mixing sequences, mixing sequences (due to Renyi) and for many other dependent sequences are all included. The special feature of the book is a detailed discussion of a strengthened form of the second Borel-Cantelli Lemma and the conditional form of the Borel-Cantelli Lemmas due to Levy, Chen and Serfling. All these results are well illustrated by means of many interesting examples.
All the proofs are rigorous, complete and lucid. An extensive list of research papers, some of which are forthcoming, is provided. The book can be used for a self study and as an invaluable research reference on the present topic.

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1. Introductory Chapter.- 2. Extensions of the First Borel-Cantelli Lemma.- 3. Variants of the Second Borel-Cantelli Lemma.- 4. A Strengthened Form of the Second Borel-Cantelli Lemma.- 5. Conditional Borel-Cantelli Lemmas.- 6. Miscellaneous Results.

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From the reviews:
"This book is devoted to the famous Borel-Cantelli lemmas, which play a very important role in probability theory, in particular in limit theorems. ... The monograph is very well written, full of illustrating examples and problems ... . At the end of each chapter there is a complete ... list of references. It is a real pleasure to read this book. This monograph may be recommended not only for researchers but also for intermediate and graduate students." (Przemyslaw Matula, Mathematical Reviews, April, 2013)

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