整理 发表于 2025-3-25 06:09:54
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Ideals,This chapter pursues the idea that a number is known by the set of its multiples, so an “ideal number” is known by a set that . a set of multiples. Such a set . in a ring . is called an ideal, and it is defined by closure under sums (. ∈ . ⇒ . + . ∈ .) and under multiplication by all elements of the ring (. ∈ ., . ∈ . ⇒ . ∈ .).Dysplasia 发表于 2025-3-25 14:05:29
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Bankenaufsichtsrechtliche Bestimmungene way, why 1 is . regarded as a prime—nothing is built from products of 1 except 1 itself). But even if primes are the building blocks, it is not easy to grasp them directly. There is no simple way to test whether a given natural number is prime, nor to find the smallest prime divisor of a given number.Sarcoma 发表于 2025-3-25 21:16:37
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The Pell equation,ratic Diophantine equations. The Greeks studied the special case . − 2. = 1 because they realized that its natural number solutions throw light on the nature of .. There is a similar connection between the natural number solutions of . − . = 1 and . when . is any nonsquare natural number.缓解 发表于 2025-3-26 14:32:41
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978-1-4419-3066-8Springer Science+Business Media New York 2003