ISBN-13: 9780367449438 / Angielski / Miękka / 2019 / 200 str.
ISBN-13: 9780367449438 / Angielski / Miękka / 2019 / 200 str.
Appliies variational methods and critical point theory on infinite dimenstional manifolds to some problems in Lorentzian geometry which have a variational nature, such as existence and multiplicity results on geodesics and relations between such geodesics and the topology of the manifold.