Predrag Dominis Prester

 31st Inte
ernational Colloq
quium on Group Theorettical Metthods in Physics
June 19-25 201
J
16
Rio de Janeiro - Brazil
B
Certificate
C
o seminar presentatio
of
p
on
This
T
is to ce
ertify that Predrag Dom
minis Preste
er presented
d the semin
nar "Fermion in backg
grounds witth
different
d
spin" in the 31sst International Colloqu
uium on Gro
oup Theorettical Method
ds in Physic
cs, which too
ok
place
p
at Centtro Brasileiro de Pesquisa
as Físicas, Museu
M
do Am
manhã and Fu
undação Cas
sa Rui Barbo
osa, from Jun
ne
19th to June 25th,
2
2016.
Francesco Top
ppan
Chair