The Ring of Formal Power Series
The set of all formal power series in X with coefficients in a commutative ring R form another ring that is written R], and called the ring of formal power series in the variable X over R.
Read more about this topic: Formal Power Series
Famous quotes containing the words ring, formal, power and/or series:
“Good manners have much to do with the emotions. To make them ring true, one must feel them, not merely exhibit them.”
—Amy Vanderbilt (1908–1974)
“There must be a profound recognition that parents are the first teachers and that education begins before formal schooling and is deeply rooted in the values, traditions, and norms of family and culture.”
—Sara Lawrence Lightfoot (20th century)
“O power of fantasy that steals our minds from things outside, to leave us unaware, although a thousand trumpets may blow loud—what stirs you if the senses show you nothing? Light stirs you, formed in Heaven, by itself, or by His will Who sends it down to us.”
—Dante Alighieri (1265–1321)
“A sophistical rhetorician, inebriated with the exuberance of his own verbosity, and gifted with an egotistical imagination that can at all times command an interminable and inconsistent series of arguments to malign an opponent and to glorify himself.”
—Benjamin Disraeli (1804–1881)