If you have followed a degree in class L35 - Mathematical Sciences in Italy and have acquired 
▪    at least 40 CFU in MAT/02 or MAT/03
▪    at least 30 CFU in MAT/05
▪    at least 6 CFU in MAT/06
▪    at least 6 CFU in MAT/07
▪    at least 6 CFU in MAT/08
personal preparation is assessed as adequate. To this end at the pre-enrolment stage you must attach

• a list of the examinations passed (or to be passed by the deadline for enrolment in the degree) in your previous university studies, including the relevant number of credits;

If you have not taken a degree in the L35 class - Mathematical Sciences in Italy OR you have not acquired 
▪    at least 40 CFU in MAT/02 or MAT/03
▪    at least 30 CFU in MAT/05
▪    at least 6 CFU in MAT/06
▪    at least 6 CFU in MAT/07
▪    at least 6 CFU in MAT/08

you must undergo verification of the adequacy of your personal preparation as explained below.  On pre-enrolment you must attach 

• the list of examinations passed (or to be passed by the deadline for enrolment in the degree) in previous university studies, including the relevant number of credits;
• the teaching programmes;
• the indication of the curriculum you intend to follow.

The examination covers the topics listed in the Syllabus and is based on your previous curriculum, the programmes of the examinations you have taken in the MAT/XX sectors and a possible interview, the dates of which will be communicated to you by the Master's Degree Admission Commission.

For more information, go to the page Personal preparation test.