%0 Journal Article %A Daniil Mamaev %T Oriented area as a Morse function on polygon spaces %J Ars Mathematica Contemporanea %D 2020 %P 155-171 %V 19 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.26493/1855-3974.2286.ece/ %R 10.26493/1855-3974.2286.ece %G en %F 10_26493_1855_3974_2286_ece