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2. Multiplicative group - Wikipedia

   en.wikipedia.org/wiki/Multiplicative_group

   The group scheme of n-th roots of unity is by definition the kernel of the n-power map on the multiplicative group GL(1), considered as a group scheme.That is, for any integer n > 1 we can consider the morphism on the multiplicative group that takes n-th powers, and take an appropriate fiber product of schemes, with the morphism e that serves as the identity.

3. Symbols of grouping - Wikipedia

   en.wikipedia.org/wiki/Symbols_of_grouping

   If we were to express this idea using symbols of grouping, the factors in a product. Example: 2+3×4 = 2 +(3×4)=2+12=14. In understanding expressions without symbols of grouping, it is useful to think of subtraction as addition of the opposite, and to think of division as multiplication by the reciprocal.

4. Multiplicative order - Wikipedia

   en.wikipedia.org/wiki/Multiplicative_order

   The multiplicative order of a number a modulo n is the order of a in the multiplicative group whose elements are the residues modulo n of the numbers coprime to n, and whose group operation is multiplication modulo n. This is the group of units of the ring Z n; it has φ(n) elements, φ being Euler's totient function, and is denoted as U(n) or ...

5. Group ring - Wikipedia

   en.wikipedia.org/wiki/Group_ring

   Let be a group, written multiplicatively, and let be a ring. The group ring of over , which we will denote by [], or simply , is the set of mappings : of finite support (() is nonzero for only finitely many elements ), where the module scalar product of a scalar in and a mapping is defined as the mapping (), and the module group sum of two mappings and is defined as the mapping () + ().

6. Category:Mathematics education - Wikipedia

   en.wikipedia.org/wiki/Category:Mathematics_education

   The following 98 pages are in this category, out of 98 total. ... Grid method multiplication; H. ... School Mathematics Study Group; Science, technology, engineering ...

7. Glossary of group theory - Wikipedia

   en.wikipedia.org/wiki/Glossary_of_group_theory

   The group consists of the finite strings (words) that can be composed by elements from A, together with other elements that are necessary to form a group. Multiplication of strings is defined by concatenation, for instance (abb) • (bca) = abbbca. Every group (G, •) is basically a factor group of a free group generated by G.