Toshikazu Sunada Books

A Mathematical Gift III

By Koji Shiga, Toshikazu Sunada

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Proceedings of the Third Asian Mathematical Conference 2000

By Toshikazu Sunada, Polly W. Sy, Yang Lo

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Curvature and Topology of Riemannian Manifolds

By Toshikazu Sunada, Katsuhiro Shiohama, Takashi Sakai

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Geometry and Analysis on Manifolds

By Toshikazu Sunada

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Topological Crystallography

By Toshikazu Sunada

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Geometry in ancient Greece is said to have originated in the curiosity of mathematicians about the shapes of crystals, with that curiosity culminating in the classification of regular convex polyhe...

Proceedings of the Third Asian Mathematical Conference 2000

By Toshikazu Sunada, Lo Yang, Polly Wee Sy

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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.