Results 221 to 230 of about 397,713 (267)
Some of the next articles are maybe not open access.
Black Holes, White Dwarfs, and Neutron Stars
, 1983S. Shapiro, S. Teukolsky
semanticscholar +1 more source
Habitable zones around main sequence stars.
Icarus (New York, N.Y. 1962), 1993J. Kasting, D. Whitmire, R. Reynolds
semanticscholar +1 more source
Star-free star and trace languages
Fundam. Informaticae, 2006Summary: The paper deals with star-free languages in free monoids and trace monoids. We introduce the notion of star-free star, fundamental for this paper, and show that the classes of star-free languages and star-free star languages coincide. Then, using this result, we obtain a general characterization of star-free trace languages, containing a ...
Edward Ochmanski, Krystyna Stawikowska
openaire +2 more sources
Secondary standard stars for absolute spectrophotometry
, 1983J. B. Oke, J. Gunn
semanticscholar +1 more source
Very regular high-frequency pulsation modes in young intermediate-mass stars
Nature, 2020Timothy R Bedding +2 more
exaly