Abstract
We denote by Hx the set of invertible elements of H, and we say that H is reduced if Hx=1. Let Hred=H/Hx=aHx|a ∈ H be the associated reduced monoid and q(H) a quotient group of H.
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© 2009 Birkhäuser Verlag
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(2009). Basic concepts of non-unique factorizations. In: Combinatorial Number Theory and Additive Group Theory. Advanced Courses in Mathematics - CRM Barcelona. Birkhäuser Basel. https://doi.org/10.1007/978-3-7643-8962-8_3
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DOI: https://doi.org/10.1007/978-3-7643-8962-8_3
Publisher Name: Birkhäuser Basel
Print ISBN: 978-3-7643-8961-1
Online ISBN: 978-3-7643-8962-8
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