V. O. Manturov, D. A. Fedoseev, “Invariants of homotopy classes of curves and graphs on <nobr>$2$</nobr>-surfaces”, Fundam. Prikl. Mat., 2013, Volume 18, Issue 4,Pages <nobr>89

This article is cited in 2 papers

Invariants of homotopy classes of curves and graphs on $2$-surfaces

V. O. Manturov^a, D. A. Fedoseev^b

^a Peoples Friendship University of Russia, Moscow, Russia
^b Lomonosov Moscow State University, Moscow, Russia

Abstract: Algebraic objects arising from the study of curves and graphs on $2$-surfaces are studied. Their homotopy invariance is verified.

UDC: 515.162+512.54