H. H. Schaefer Books

Topological Vector Spaces

By H.H. Schaefer, M.P. Wolff

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Topological Vector Spaces

By H. H. Schaefer

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This book is intended to be a systematic text on topological vector spaces and presupposes familiarity with the elements of general topology and linear algebra. Similarly, the elementary facts on H...

Banach Lattices and Positive Operators

By Helmut H. Schaefer

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Branch Lattices Positive Operators Grundlehren Der Mathematischen Wissenschaften Series Vol 215

By H. H. Schaefer, Helmut H. Schaefer

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Banach Lattices and Positive Operators

By H. H. Schaefer

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Georg Cantor und das Unendliche in der Mathematik

By H. H. Schaefer

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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.