Chinese Quarterly Journal of Mathematics ›› 2001, Vol. 16 ›› Issue (4): 49-54.

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An Invariant of the Projective Sem-i symmetric Connection 

  

  1.  南京理工大学应用数学系,  江苏南京210094 河南大学数学系, 河南开封475001 
  • Received:2000-06-02 Online:2001-12-30 Published:2024-05-27
  • About author:ZHAO Pei-biao(1964-),male,native of Huaiyuan,Anhui,an associate professor of Anhui Institute of Finance and Trade‚Doctor, engages in nonlinear analysis‚differential geometry‚etc;SONG Hong-zao(1944-),male,native of Jiangyan‚Jiangsu‚a professor of Henan University,engages in differential geometry.
  • Supported by:
    Supported by NNFC (19771048);Supported by Mid-Young Mainstay Teacher Foundation of Anhui Province(990155)

Abstract: 本文研究与LeviCivita联络 射影等价地射影半对称联络D。获得了一个射影不变量 ,并给出其成立的一个充分必要条件。进而给出其保持相应共变导数不变的另一充分条件。 

Key words:  , 射影半对称联络, 不变量, 1-形式,

CLC Number: