Definitions
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun algebra A
magma : aset with atotal binary operation . - noun A set with a
partial binary operation that isassociative and hasinverses andidentities .
Etymologies
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Examples
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Heller's current work focuses on noncommutative geometry and groupoid theory in mathematics which attempts to remove the problem of an initial cosmological singularity at the origin of the universe.
Assessing Causality 2008
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B 268, 253 (1986) that for interacting strings the splitting and joinings define a groupoid structure.
Guest Post: Joe Polchinski on Science or Sociology? Sean 2007
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136, 369-397 (1991) Wiesbrock constructs a C*-algebra which carries all the representations of this groupoid.
Guest Post: Joe Polchinski on Science or Sociology? Sean 2007
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(ie. with groupoid like arrows above dimension $n$) related to the classification of TFTs.
Arcadian Functor Kea 2009
ruzuzu commented on the word groupoid
See citation on magma.
July 2, 2018