Lazard's universal ring
In mathematics, Lazard's universal ring is a ring introduced by Michel Lazard in over which the universal commutative one-dimensional formal group law is defined. There is a universal commutative one-dimensional formal group law over a universal commutative ring defined as follows. We let be for indeterminates , and we define the universal ring R to be the commutative ring generated by the elements , with the relations that are forced by the associativity and commutativity laws for formal group laws. More or less by definition, the ring R has the following universal property:
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Lazard's universal ring
In mathematics, Lazard's universal ring is a ring introduced by Michel Lazard in over which the universal commutative one-dimensional formal group law is defined. There is a universal commutative one-dimensional formal group law over a universal commutative ring defined as follows. We let be for indeterminates , and we define the universal ring R to be the commutative ring generated by the elements , with the relations that are forced by the associativity and commutativity laws for formal group laws. More or less by definition, the ring R has the following universal property:
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In mathematics, Lazard's unive ...... ex cobordism is evenly graded.
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Daniel Quillen
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In mathematics, Lazard's unive ...... following universal property:
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Lazard's universal ring
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