point periodicity - определение. Что такое point periodicity
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Что (кто) такое point periodicity - определение

THEOREM ON HOMOTOPY GROUPS
Bott periodicity; Bott element; Bott's periodicity theorem

Periodicity         
WIKIMEDIA DISAMBIGUATION PAGE
Periodic; Periodicity (disambiguation); Periodic (disambiguation); Periodicities
·noun The quality or state of being periodical, or regularly recurrent; as, the periodicity in the vital phenomena of plants.
Point-to-point (telecommunications)         
  • A point-to-point wireless unit with a built-in antenna at [[Huntington Beach, California]]
COMMUNICATIONS CONNECTION BETWEEN TWO NODES OR ENDPOINTS
Point-to-point communication; Point to point communications; Point-to-point link; Point-to-point telecommunications; Point-to-point communication (telecommunications); Point-to-Point Link; Point-to-Point link; Point to point communication; One-to-one (communication); Point-to-point radio link; Point-to-point connection
In telecommunications, a point-to-point connection refers to a communications connection between two communication endpoints or nodes. An example is a telephone call, in which one telephone is connected with one other, and what is said by one caller can only be heard by the other.
periodic         
WIKIMEDIA DISAMBIGUATION PAGE
Periodic; Periodicity (disambiguation); Periodic (disambiguation); Periodicities
Periodic events or situations happen occasionally, at fairly regular intervals.
...periodic bouts of illness.
= periodical
ADJ: usu ADJ n

Википедия

Bott periodicity theorem

In mathematics, the Bott periodicity theorem describes a periodicity in the homotopy groups of classical groups, discovered by Raoul Bott (1957, 1959), which proved to be of foundational significance for much further research, in particular in K-theory of stable complex vector bundles, as well as the stable homotopy groups of spheres. Bott periodicity can be formulated in numerous ways, with the periodicity in question always appearing as a period-2 phenomenon, with respect to dimension, for the theory associated to the unitary group. See for example topological K-theory.

There are corresponding period-8 phenomena for the matching theories, (real) KO-theory and (quaternionic) KSp-theory, associated to the real orthogonal group and the quaternionic symplectic group, respectively. The J-homomorphism is a homomorphism from the homotopy groups of orthogonal groups to stable homotopy groups of spheres, which causes the period 8 Bott periodicity to be visible in the stable homotopy groups of spheres.