Resumen de Orthocenters in real normed spaces and the Euler line
Claudi Alsina Català 
, María Santos Tomás Belenguer
The study of the orthocenters in triangles in real normed spaces gives new characterizations of inner product spaces.
Claudi Alsina Català , María Santos Tomás Belenguer
The study of the orthocenters in triangles in real normed spaces gives new characterizations of inner product spaces.
