Quantum Walks and Search Algorithms

Dr. Renato Portugal is a full researcher at the National Laboratory of Scientific Computing (LNCC). He received the Howard E. Brandt paper award in 2017. He is member of the editorial board of the journal Natural Computing.  His past positions include Visiting Professor in the Department of Applied Mathematics and the Symbolic Computation Group at the University of Waterloo, Visiting Professor in the Department of Physics at Queen’s University of Kingston, and Researcher at the Brazilian Center for Research in Physics, Brazil. He received his doctoral degree at the Brazilian Center for Research in Physics. He has published over 150 articles in Scientific Journals and refereed proceedings, with an h-index of 19, and three books. He has developed 7 software packages, including his latest: The Invar Package in 2007. He was General Chair of the Workshop-School of Quantum Information and Computation (WECIQ 2010), and Chair of the Programme Committee for the Workshop-School of Quantum Information and Computation (WECIQ 2006).

• 1 Introduction.- 2 The Postulates of Quantum Mechanics.- 3 Introduction to Quantum Walks.- 4 Grover’s Algorithm and Its Generalization.- 5 Coined Walks on Infinite Lattices.- 6 Coined Walks with Cyclic Boundary Conditions.- 7 Coined Quantum Walks on Graphs.- 8 Staggered Model.- 9 Spatial Search Algorithms.- 10 Element Distinctness.- 11 Szegedy's Quantum Walk.- A Linear Algebra for Quantum Computation.- B Graph Theory for Quantum Walk.- C Classical Hitting Time.

“The text is easy to read and very instructive, this book can be best recommended.” (K.-E. Hellwig, zbMATH 1457.81004, 2021)