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4 “... on Lorentzian Geometry (GeLoCor 2021), virtually held at the University of Córdoba, Spain, on February 1-5, 2021...”

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10 “..., Spain, this volume covers topics such as distinguished (maximal, trapped, null, spacelike, constant mean...”

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13 “... courses which were held in 2009 and 2010 at universities in Leuven, Serbia, Romania and Spain...”

14 “... of Granada, Spain, in September, 2011. Topics such as geodesics, maximal, trapped and constant mean curvature...”

15 Table of Contents: “... Century Spain -- Chapter 19. Sino-Indian Interaction and the Great Chinese Buddhist Astronomer...”

16 “... years abroad he came back to Spain in the 1980s. He spent his last period as a professor at Universidad...”

17 “... influence on Spain, this knowledge later spread to Western Europe. Here, as part of the medieval Quadrivium...”

18 “... in Spain, Latin America and Europe. Because of his impressive achievements throughout his career, we...”

19 “..., Netherlands, - mania, Russia, Spain, Switzerland, the United Kingdom and the United States. During a period...”