English Homotopy groups of spheres Cited by user David Eppstein on 03 Jun 2022 In the mathematical field of algebraic topology, the homotopy groups of spheres describe how spheres of various dimensions can wrap around each other.
Romanian Undergraduate Texts in Mathematics Cited by user Turbojet on 19 Sep 2021 Undergraduate Texts in Mathematics (UTM) este o serie de manuale de matematică la nivel de studii universitare de licență publicate de Springer-Verlag.
English Undergraduate Texts in Mathematics Cited by user Cofunctor on 09 Oct 2016 Undergraduate Texts in Mathematics (UTM) is a series of undergraduate-level textbooks in mathematics published by Springer-Verlag.