%0 Journal Article %T Sharpness of the Finsler-Hadwiger inequality %A Cezar Lupu %A Cosmin Pohoata %J Mathematics %D 2007 %I arXiv %X In this paper we shall prove a sharpened version of the Finsler-Hadwiger inequality which is a strong generalization of Weitzenbock inequality. After that we give another refinement of this inequality and in the final part we provide some basic applications. %U http://arxiv.org/abs/0708.2871v3