Franz Pedit Books

Conformal geometry of surfaces in S4 and quaternions

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Conformal Geometry of Surfaces in S4 and Quaternions

By Dirk Ferus, Franz Pedit, Ulrich Pinkall, Francis E. Burstall, Katrin Leschke

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Quaternions, Spinors, and Surfaces

By Peter Norman, Franz Pedit, Ulrich Pinkall, George Kamberov

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"This book describes how to use quaternions and spinors to study conformal immersions of Riemann surfaces into R[superscript 3]. The first part develops the necessary quaternionic calculus on surfa...

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.