Acknowledgments
I would like to address special thanks to the people below for their help and support during the preparation of this book. First, I am thankful to my wife and three children for their patience and continuous support while writing this book. I am very thankful to Dr. Hao Ling of the University of Texas at Austin for being a valuable source of knowledge, ideas, and also inspiration. He has been a great advisor since I met him.
I would like to express my sincere thanks to my former graduate students Bet
l Yılmaz, Deniz Üstn, Enes Yi
it, 
evket Demirci, and Özkan Kırık, who carried out some of the research detailed in this book.
Last but not least, I would like to show my special thanks to Dr. Kai Chang for inviting me to write this book. Without his kind offer, this study would not have been possible.
C.Ö.
