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#### Limpiar nuestra escuela (Cleaning Our School)

Shell Education 2010; US$ 8.99A big, summer storm left the school in this book a mess! The students, parents, and other volunteers worked to clean it up. They make teams to pick up aluminum cans, plastic bottles, and glass. After everything is cleaned up, they use graphs to show how much of each item they collected. They take these items to be recycled. They use the money they... more...

#### Graphs in Action

Shell Education 2009; US$ 8.99Who knew how fun and useful exploring graphs could be? Graphs in Action explores different types of graphs and their practical applications and explains how graphs are used to record business growth and productivity. more...

#### Hadamard Matrices and Their Applications

Princeton University Press 2012; US$ 87.50 US$ 79.63In Hadamard Matrices and Their Applications , K. J. Horadam provides the first unified account of cocyclic Hadamard matrices and their applications in signal and data processing. This original work is based on the development of an algebraic link between Hadamard matrices and the cohomology of finite groups that was discovered fifteen years ago.... more...

#### Introductory Tiling Theory for Computer Graphics

Morgan & Claypool Publishers 2009; US$ 40.00Tiling theory is an elegant branch of mathematics that has applications in several areas of computer science. The most immediate application area is graphics, where tiling theory has been used in the contexts of texture generation, sampling theory, remeshing, and of course the generation of decorative patterns. The combination of a solid theoretical... more...

#### The Kepler Conjecture

Springer New York 2011; US$ 78.83The Kepler conjecture, one of geometry's oldest unsolved problems, was formulated in 1611 by Johannes Kepler and mentioned by Hilbert in his famous 1900 problem list. The Kepler conjecture states that the densest packing of three-dimensional Euclidean space by equal spheres is attained by the “cannonball" packing. In a landmark result, this was proved... more...

#### Spectra of Graphs

Springer New York 2011; US$ 50.59This book begins with the basics of graph spectra for ordinary and Laplace and Seidel spectra, and adds material on trees, strongly regular graphs, two-graphs, association schemes, p-ranks of configurations and more. Includes exercises, tables and references. more...

#### Design Theory: Volume 1

Cambridge University Press 1753; US$ 204.00This is the first volume of the second edition of the standard text on design theory. more...

#### Handbook of Large-Scale Random Networks

Springer Berlin Heidelberg 2010; US$ 152.96Based on material from the 2006 NSF workshop on Large-scale Random Graphs, this book describes recent advances made in large scale networks. It includes detailed descriptions of various applications and explores areas for future research. more...

#### Graph Energy

Springer New York 2012; US$ 105.90This book is about graph energy. The authors have included many of the important results on graph energy, such as the complete solution to the conjecture on maximal energy of unicyclic graphs, the Wagner-Heuberger’s result on the energy of trees, the energy of random graphs or the approach to energy using singular values. It contains an extensive... more...

#### Graph Theory As I Have Known It

Clarendon Press 2012; US$ 38.99This book is a unique introduction to graph theory, written by one of the founding fathers. It is not intended as a comprehensive treatise, but rather as an account of those parts of the theory that have been of special interest to the author. Professor Tutte details his experiences in the area, and provides a fascinating insight into the processes... more...