id: 06085904
dt: j
an: 2012f.00725
au: Liu, Jian
ti: On a geometric inequality of Oppenheim.
so: J. Sci. Arts 12, No. 1, 5-12 (2012).
py: 2012
pu: Valahia University of Targoviste, Faculty of Sciences and Arts; Bibliotheca
    Publishing House, Targoviste
la: EN
cc: G65
ut: triangles; interior points; Oppenheim inequality; Erdős-Mordell inequality
ci: 
li: 
ab: Summary: The authors give a simple proof of Oppenheim’s geometric
    inequality by using a new lemma. Also a refinement of the Oppenheim
    inequality is proven. Some related conjectures which have been checked
    by the computer are put forward.
rv: