Graphs of Nonsmooth Contact Mappings on Carnot Groups with Sub-Lorentzian Structure

M. B. Karmanova^a^,*

^aNovosibirsk State University, Novosibirsk, 630090 Russia

Correspondence to: *e-mail: maryka@math.nsc.ru

Received 10 January, 2019

Abstract—For classes of graph mappings constructed from $null$-mappings of nilpotent graded groups, we prove an area formula on sub-Lorentzian structures of arbitrary depth with multidimensional time.

DOI: 10.1134/S1064562419030104