covariant definition by Wordo

Adjective

Which

preservess

the

order

of

morphism

composition

:

formally

,

which

associates

each

morphism

<

math

>

f

:

X

\

to

Y

math

>

to

a

morphism

<

math

>

F

(

f

):

F

(

X

) \

to

F

(

Y

)math

>.

Noun

A

bihomogeneous

polynomial

in

''

x

'', ''

y

'', ...

and

the

coefficients

of

some

homogeneous

form

in

''

x

'', ''

y

'', ...

that

is

invariant

under

some

group

of

linear

transformations

.