Wolfgang Hackbusch Books

Hierarchical Matrices

By Wolfgang Hackbusch

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Integral Equations: Theory and Numerical Treatment

By Wolfgang Hackbusch

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Springer Taschenbuch der Mathematik

By Wolfgang Hackbusch, Eberhard Zeidler, Juraj Hromkovic, Bernd Luderer

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Integral equations

By Wolfgang Hackbusch, W. Hackbusch

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Volterra and Fredholm integral equations form the domain of this book. Special chapters are devoted to Abel's integral equations and the singular integral equation with Cauchy kernel; others focus...

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.