%0 Journal Article %A Ahmet Tekcan %D 2011 %J International Journal of Mathematical and Computational Sciences %B World Academy of Science, Engineering and Technology %I Open Science Index 51, 2011 %T Neighbors of Indefinite Binary Quadratic Forms %U https://publications.waset.org/pdf/2855 %V 51 %X In this paper, we derive some algebraic identities on right and left neighbors R(F) and L(F) of an indefinite binary quadratic form F = F(x, y) = ax2 + bxy + cy2 of discriminant Δ = b2 -4ac. We prove that the proper cycle of F can be given by using its consecutive left neighbors. Also we construct a connection between right and left neighbors of F. %P 263 - 269