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In the mathematical discipline of graph theory, a polygon-circle graph is an intersection graph of a set of convex polygons all of whose vertices lie on a common circle. These graphs have also been called spider graphs. This class of graphs was first suggested by Michael Fellows in 1988, motivated by the fact that it is closed under edge ...
A circle with five chords and the corresponding circle graph. In graph theory, a circle graph is the intersection graph of a chord diagram.That is, it is an undirected graph whose vertices can be associated with a finite system of chords of a circle such that two vertices are adjacent if and only if the corresponding chords cross each other.
The Best of Arthur C. Clarke: 1937-1971 is a collection of science fiction short stories by British writer Arthur C. Clarke originally published in 1973.. The stories, written between 1937 and 1971, originally appeared in a number of periodicals including Amateur Science Stories, Zenith, The Fantast, Fantasy, Startling Stories, Astounding, Science Fiction Quarterly, 10 Story Fantasy, Infinity ...
Of Time and Stars is a collection of science fiction short stories by British writer Arthur C. Clarke, containing an introduction by J. B. Priestley.. The stories all originally appeared in a number of different publications including the periodicals Dude, The Evening Standard, Lilliput, The Magazine of Fantasy & Science Fiction, Future, New Worlds, Startling Stories, Astounding, Fantasy, King ...
Mathematical fiction is a genre of creative fictional work in which mathematics and mathematicians play important roles. The form and the medium of the works are not important. The genre may include poems, short stories, novels or plays; comic books; films, videos, or audios.
The 1983 Annual World's Best SF is an anthology of science fiction short stories edited by Donald A. Wollheim and Arthur W. Saha, the twelfth volume in a series of nineteen. It was first published in paperback by DAW Books in May 1983, followed by a hardcover edition issued in September of the same year by the same publisher as a selection of the Science Fiction Book Club.
The Dark Between the Stars (short story collection) Dark They Were, and Golden-Eyed; Darwinian Pool Room; The Day Before the Revolution; The Dead (Swanwick short story) Deadline (science fiction story) Dear Pen Pal; The Death of Doctor Island; Devil You Don't Know; The Diamond Pit; Dinosaurs (short story) The Discarded; The Discovery of Morniel ...
"Arena" is a science fiction short story by American writer Fredric Brown, first published in the June 1944 issue of Astounding Science Fiction magazine. The members of the Science Fiction Writers of America selected it as one of the best science fiction stories published before the advent of the Nebula Awards, and as such it was included in ...