Introduction to Formal Languages, Automata Theory and Computation

Acknowledgements

We express our gratitude to the authorities of IIT Madras for enabling us to write this book under the golden jubilee scheme of the institute. We thank our research scholars and undergraduate students, especially P. Harsha, L. Jeganathan, S. N. Krishna, M. Madhu, S. V. Ramasubramanian, Rita Brata, M. Shakthibalan and Y. Sivasubramanian who have contributed to this book. We are obliged to the heads of our respective departments, and our colleagues for their encouragement and support. We are indebted to E. Boopal, who was very helpful in the preparation of the manuscript. We thank our publishers, Pearson Education, India, for their role in bringing out the book in its present form. In particular, we thank Thomas Mathew Rajesh, Sojan ...