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Bintang Timur apparently resumed publication in early 1953 after being unable to publish during World War II and the Indonesian National Revolution. [6] Under its new guise in independent Indonesia , Parada Harahap once again became president-director and head editor, and promised that the paper would have a "national progressive" line and to ...
A three-dimensional model of a figure-eight knot.The figure-eight knot is a prime knot and has an Alexander–Briggs notation of 4 1.. Topology (from the Greek words τόπος, 'place, location', and λόγος, 'study') is the branch of mathematics concerned with the properties of a geometric object that are preserved under continuous deformations, such as stretching, twisting, crumpling ...
On 10 August 2006, after months of unsuccessful negotiations with Elsevier about the price policy of library subscriptions, the entire editorial board of the journal handed in their resignation, effective 31 December 2006.
Star topology in use in a network. A star network is an implementation of a spoke–hub distribution paradigm in computer networks.In a star network, every host is connected to a central hub.
For every preordered set X = <X, ≤> we always have W(T(X)) = X, i.e. the preorder of X is recovered from the topological space T(X) as the specialization preorder.. Moreover for every Alexandrov-discrete space X, we have T(W(X)) = X, i.e. the Alexandrov topology of X is recovered as the topology induced by the specialization
A multiple star system consists of two or more stars that appear from Earth to be close to one another in the sky. [dubious – discuss] This may result from the stars actually being physically close and gravitationally bound to each other, in which case it is a physical multiple star, or this closeness may be merely apparent, in which case it is an optical multiple star [a] Physical multiple ...
In mathematics, the lower limit topology or right half-open interval topology is a topology defined on , the set of real numbers; it is different from the standard topology on (generated by the open intervals) and has a number of interesting properties.
If is a topological space then the following conditions are equivalent: . is a T 1 space.; is a T 0 space and an R 0 space.; Points are closed in ; that is, for every point , the singleton set {} is a closed subset of .