数学季刊 ›› 2025, Vol. 40 ›› Issue (2): 111-134.doi: 10.13371/j.cnki.chin.q.j.m.2025.02.001
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摘要: In this paper, we compute sub-Riemannian limits of some important curvature variants associated with the connection with torsion for four dimensional twisted BCV spaces and derive a Gauss-Bonnet theorem for four dimensional twisted BCV spaces.
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