Download Abstract Algebra: An Interactive Approach (Textbooks in by William Paulsen PDF

By William Paulsen

By integrating using hole and Mathematica®, Abstract Algebra: An Interactive Approach provides a hands-on method of studying approximately teams, jewelry, and fields. every one bankruptcy contains either hole and Mathematica instructions, corresponding Mathematica notebooks, conventional routines, and several other interactive desktop difficulties that make the most of hole and Mathematica to discover teams and rings.

Although the publication provides the choice to take advantage of expertise within the school room, it doesn't sacrifice mathematical rigor. It covers classical proofs, equivalent to Abel’s theorem, in addition to many graduate-level issues no longer present in most traditional introductory texts. the writer explores semi-direct items, polycyclic teams, Rubik’s Cube®-like puzzles, and Wedderburn’s theorem. He additionally contains challenge sequences that permit scholars to delve into attention-grabbing themes extensive, together with Fermat’s sq. theorem.

This leading edge textbook exhibits how scholars can higher seize tricky algebraic ideas by utilizing laptop courses. It encourages scholars to scan with quite a few functions of summary algebra, thereby acquiring a real-world viewpoint of this area.

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Extra info for Abstract Algebra: An Interactive Approach (Textbooks in Mathematics)

Example text

Then by definition, n must have a positive divisor besides 1 and n, say m. Since 1 < m < n, and n was the smallest number greater than 1 without a prime factor, m must have a prime factor, say p. Then p is also a prime factor of n, so we have a contradiction. Therefore, every number greater than 1 has a prime factor. 1 introduces an important strategy in proofs. Notice that to prove that every number greater than 1 had a prime factor, we assumed just the opposite. It was as if we admitted defeat from the very beginning!

2: Multiplication table for Terry’s dance steps Stay FlipRt RotRt FlipLft RotLft Spin Stay FlipRt RotRt FlipLft RotLft Spin Stay FlipRt RotRt FlipLft RotLft Spin FlipRt Stay Spin RotLft FlipLft RotRt RotRt FlipLft RotLft Spin Stay FlipRt FlipLft RotRt FlipRt Stay Spin RotLft RotLft Spin Stay FlipRt RotRt FlipLft Spin RotLft FlipLft RotRt FlipRt Stay puts Terry in the same position as a RotLft.

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