- In topology, a
preclosure operator or Čech
closure operator is a map
between subsets of a set,
similar to a
topological closure operator,
except that it...
-
publisher location (link) Lohafer,
Susan (2003).
Reading for Storyness:
Preclosure Theory,
Empirical Poetics, and
Culture in the
Short Story. Baltimore,...
-
family of
functions f φ {\displaystyle f_{\varphi }}
gives rise to a
preclosure operator F {\displaystyle F} on the
power set of M {\displaystyle M} F...
- pseudosemimetric, i.e. a
symmetric premetric. Any
premetric gives rise to a
preclosure operator c l {\displaystyle cl} as follows: c l ( A ) = { x | d ( x ,...
- A
pretopological space can be
defined in
terms of
either filters or a
preclosure operator. The similar, but more abstract,
notion of a
Grothendieck pretopology...
-
mathematical conceptPages displaying wikidata descriptions as a
fallback Preclosure operator –
Closure operator Diatta, Jean (2009-11-14). "On
critical sets...
- 5] ∩ ℚ) of
realsPages displaying wikidata descriptions as a
fallback Preclosure operator –
Closure operator Pretopological space –
Generalized topological...
- \operatorname {scl} (\operatorname {scl} (S)).} That is,
sequential closure is a
preclosure operator.
Unlike topological closure,
sequential closure is not idempotent:...
-
Archived from the
original on
August 2, 2019. Lohafer,
Susan (1997). "
Preclosure in an "Open" Story:
Julio Cortazar's "Orientation of Cats".
Creative and...
