Chu transformIf 𝒞=(𝒜,r,𝒳) and 𝒟=(ℬ,s,𝒴) are Chu spaces then we say a pair of functions f:𝒜→ℬ and g:𝒴→𝒳 form a Chu transform from 𝒞 to 𝒟 if for any (a,y)∈𝒜×𝒴 we have r(a,g(y))=s(f(a),y).