Conception of Biologic System: Basis Functional Elements and Metric Properties

Figure 11

Indefinite metric (+, −, −) divides the space of functional elements on three subspaces: time-like, 𝑔(𝑋,𝑋)<0, null, 𝑔(𝑌,𝑌)=0, and space-like, 𝑔(𝑍,𝑍)>0.