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formal operations

Overview page. Subjects: Psychology.

In the theory of cognitive development of the Swiss psychologist Jean Piaget (1896–1980), the developmental stage beginning at about 12 years when children become proficient in manipulating...

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Unstable multiplicative cohomology operations

Jean-Yves Butowiez and Paul Turner.

in The Quarterly Journal of Mathematics

December 2000; p ublished online December 2000 .

Journal Article. Subjects: Pure Mathematics. 0 words.

We investigate the relationship between multiplicative unstable cohomology operations G0(−) → E0(−)and formal group laws for a certain important class of theories. As an application we...

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Chern Classes from Algebraic Morava K-Theories to Chow Groups

Pavel Sechin.

in International Mathematics Research Notices

August 2018; p ublished online March 2017 .

Journal Article. Subjects: Mathematics; Pure Mathematics. 18839 words.

Abstract

In this article, we calculate the ring of unstable (possibly nonadditive) operations from algebraic Morava K-theory [math] to Chow groups with...

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The Anticyclic Operad of Moulds

F. Chapoton.

in International Mathematics Research Notices

January 2007; p ublished online January 2007 .

Journal Article. Subjects: Mathematics; Pure Mathematics. 0 words.

A new anticyclic operad Mould is introduced, on spaces of functions in several variables. It is proved that the Dendriform operad is an anticyclic suboperad of this operad. Many operations...

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