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First Lectures in Algebra

Name: First Lectures in Algebra
Brand: Springer, Berlin
SKU: 9789819554560
Price: 326.25 RON
Availability: InStock

Why do Normal Subgroups and Ideals Matter?

Autor: Shuichi Yukita

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Legare: Copertă tare

Editura: Springer, Berlin

Disponibilitate: În depozitul extern

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326.25 lei

This book is designed as an undergraduate textbook for students in science and engineering, rather t...

Informații despre carte

Autor

Shuichi Yukita

Limbă

engleză

Legare

Carte - Copertă tare

Publicat

2026

Pagini

289

EAN

9789819554560

Enbook ID

50033172

Editura

Springer, Berlin

Greutate

485

Dimensiuni

155 x 235

Descriere completă

This book is designed as an undergraduate textbook for students in science and engineering, rather than for mathematics majors, yet it maintains full mathematical rigor. It covers groups, rings, modules over rings, finite fields, polynomial rings over finite fields, and error-correcting codes. Even in mathematics departments, undergraduates often wonder why concepts like normal subgroups and ideals matter, and standard textbooks may not provide satisfying answers. This book addresses such questions with both intuition and precision. For example: (1) A normal subgroup is the kernel of a group homomorphism and gives rise to a factor group; a non-normal subgroup does neither. (2) An ideal is a special additive subgroup that serves as the kernel of a ring homomorphism and yields a factor ring; a non-ideal additive subgroup does not. The reader will appreciate the elegant parallelism between these ideas. Key features include:

A prerequisite chapter that subtly introduces module theory through an elementary presentation of the Euclidean algorithm, accessible even to high school students.
Recurring use of orbits and clusters, with intuitive illustrations, to clarify the operational meaning of normal subgroups and ideals via homomorphisms.
Emphasis on proof design patterns, inspired by fields like architecture and software engineering.
Extensive use of diagrams to support conceptual understanding. Readers are encouraged to draw, compute, design reasoning flows, and then write proofs.
Complete answers to quizzes and exercises are provided, allowing readers to check their understanding after thoughtful attempts.

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First Lectures in Algebra

Why do Normal Subgroups and Ideals Matter?

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