Rene Schoof Books

Number Fields and Function Fields

By Ben J.J. Moonen, Gerard B. M. Geer, Rene Schoof

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Number Fields and Function Fields Two Parallel Worlds Progress in Mathematics Book 239

By BJJ Moonen, Gerard Van Der Geer, Rene Schoof

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Catalan s conjecture

By Rene Schoof

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Eugène Charles Catalan made his famous conjecture – that 8 and 9 are the only two consecutive perfect powers of natural numbers – in 1844 in a letter to the editor of Crelle’s mathematical journal....

Catalan s Conjecture

By Rene Schoof

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Catalan s Conjecture

By Rene Schoof

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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.