Définitions
1.Adjectiveof, or relating to isotopes
2.AdjectiveOf two presemifields
S
{\displaystyle \mathbb {S} }
and
S
′
{\displaystyle \mathbb {S} '}
of characteristic
p
{\displaystyle p}
, when there exists three linear maps
g
1
{\displaystyle g_{1}}
,
g
2
{\displaystyle g_{2}}
, and
g
3
{\displaystyle g_{3}}
from
S
{\displaystyle \mathbb {S} }
to
S
′
{\displaystyle \mathbb {S} '}
such that
g
1
(
x
⋅
y
)
=
g
2
(
x
)
∘
g
3
(
y
)
{\displaystyle g_{1}(x\cdot y)=g_{2}(x)\circ g_{3}(y)}
for all
x
,
y
∈
S
{\displaystyle x,y\in \mathbb {S} }
.