TY - JOUR ID - Alpay2018 LB - Alpay2018 AU - Alpay, Daniel AU - Gabriyelyan, Saak TI - Positive definite functions and dual pairs of locally convex spaces ST - Positive definite functions and dual pairs of locally convex spaces JO - Opuscula Math. JA - Opuscula Math. JF - Opuscula Mathematica PY - 2018 VL - 38 IS - 4 SP - 463 EP - 482 DO - https://doi.org/10.7494/OpMath.2018.38.4.463 UR - https://doi.org/10.7494/OpMath.2018.38.4.463 AB - Using pairs of locally convex topological vector spaces in duality and topologies defined by directed families of sets bounded with respect to the duality, we prove general factorization theorems and general dilation theorems for operator-valued positive definite functions. KW - positive definite function KW - locally convex space KW - dual pair KW - the (strong) factorization property KW - dilation theory SN - 1232-9274 ER -