Gregory Gutin Books

The Travelling Salesman Problem and Its Variations

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This volume provides information on theory and algorithms for the traveling salesman problem (TSP). The book covers all important areas of study on TSP, including polyhedral theory for symmetric an...

The Traveling Salesman Problem and Its Variations Combinatorial Optimization

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This volume, which contains chapters written by reputable researchers, provides the state of the art in theory and algorithms for the traveling salesman problem (TSP). The book covers all important...

The Traveling Salesman Problem and Its Variations Combinatorial Optimization

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Digraphs

By Gregory Gutin, Jorgen Bang Jensen

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Digraphs

By Gregory Gutin, Jorgen Bang Jensen

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The study of directed graphs has developed enormously over recent decades, yet no book covers more than a tiny fraction of the results from more than 3000 research articles on the topic. Digraphs i...

Parameterized and Exact Computation

By Gregory Gutin, Stefan Szeider

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This book constitutes the thoroughly refereed post-conference proceedings of the 8th International Symposium on Parameterized and Exact Computation, IPEC 2013, in Sophia Antipolis, France, in Septe...

Classes of Directed Graphs

By Gregory Gutin, Jorgen Bang Jensen

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Parameterized and Exact Computation

By Gregory Gutin, Stefan Szeider

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Classes of Directed Graphs

By Gregory Gutin, Jorgen Bang Jensen

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How to Convert ISBN-10 to ISBN-13 (and Vice Versa): A Complete Guide

If you’re in the world of books—whether as a publisher, librarian, bookseller, or avid collector—you’ve likely come across the terms ISBN-10 and ISBN-13. Understanding these formats and knowing how to convert between them is essential for maintaining consistency and compatibility in book records. In this post, we’ll cover everything you need to know about ISBN conversions, step by step.

What is an EAN and How Does it Relate to an ISBN?

If you’ve ever purchased a product online or in a store, you’ve likely come across a barcode. Behind these barcodes lies a standardized system that makes modern commerce possible. Two key codes often encountered are the EAN (European Article Number) and ISBN (International Standard Book Number). But what are they, how are they connected, and why are they so crucial? Let’s explore.