what is and is not topological

what is not topological §

• Standard model is not a topological QFT.

what is topological §

• when you choose a open set in ${\mathbb{R}}^n$ as the (following $\downarrow$) you have chosen a topology, you cannot excape it!
  • in classical mechanics to define configuration space, phase space
  • in doing NLD/biology or any other ODE modelling, to write a first order ODE