Critical point and Bose-Einstein condensation in pion matter

The Bose-Einstein condensation and the liquid-gas first-order phase transition are studied in interacting pion matter. Two phenomenological models used: mean-field model hybrid model. Free parameters fixed by fitting lattice QCD data on Bose condensate density at zero temperature. In spite of some minor differences, two demonstrate an identical qualitative very close quantitative behavior for thermodynamic functions electric charge fluctuations. A peculiar property considered is intersection line critical endpoint.