Flat Metrics with a Prescribed Derived Coframing

• Опубліковано в: : Symmetry, Integrability and Geometry: Methods and Applications
• Дата: 2020
• Автори: Bryant, Robert L., Clelland, Jeanne N.
• Формат: Стаття
• Мова: Англійська
• Опубліковано: Інститут математики НАН України 2020
• Онлайн доступ: https://nasplib.isofts.kiev.ua/handle/123456789/210606
• Назва журналу: Digital Library of Periodicals of National Academy of Sciences of Ukraine
• Цитувати: Flat Metrics with a Prescribed Derived Coframing. Robert L. Bryant and Jeanne N. Clelland. SIGMA 16 (2020), 004, 23 pages

The following problem is addressed: A 3-manifold M is endowed with a triple Ω=(Ω¹, Ω², Ω³) of closed 2-forms. One wants to construct a coframing ω=(ω¹, ω², ω³) of M such that, first, dωi=Ωi for i=1,2,3, and, second, the Riemannian metric g = (ω¹)² +(ω²)²+(ω³)² be flat. We show that, in the 'n...