The hurdles that we have to cross to do some research on Arithmetical Dynamics is:

- Group Theory (Dummit and Foote)
- Commutative algebra( Atiyah, Mcdonald)
- Algebraic Number Theory (Marcus)
- Algebraic Geometry (Shafarevich)
- Dynamical System (Silverman)

The hurdles that we have to cross to do some research on Arithmetical Dynamics is:

- Group Theory (Dummit and Foote)
- Commutative algebra( Atiyah, Mcdonald)
- Algebraic Number Theory (Marcus)
- Algebraic Geometry (Shafarevich)
- Dynamical System (Silverman)