let f be Form of V,V; ( f is hermitan & f is homogeneousSAF implies f is cmplxhomogeneousFAF )
assume A1:
( f is hermitan & f is homogeneousSAF )
; f is cmplxhomogeneousFAF
let v1 be Vector of V; HERMITAN:def 4 FunctionalFAF f,v1 is cmplxhomogeneous
set F = FunctionalFAF f,v1;
set F2 = FunctionalSAF f,v1;
now let x be
Vector of
V;
for r being Scalar of holds (FunctionalFAF f,v1) . (r * x) = (r *' ) * ((FunctionalFAF f,v1) . x)let r be
Scalar of ;
(FunctionalFAF f,v1) . (r * x) = (r *' ) * ((FunctionalFAF f,v1) . x)thus (FunctionalFAF f,v1) . (r * x) =
f . v1,
(r * x)
by BILINEAR:9
.=
(f . (r * x),v1) *'
by A1, Def5
.=
((FunctionalSAF f,v1) . (r * x)) *'
by BILINEAR:10
.=
(r * ((FunctionalSAF f,v1) . x)) *'
by A1, HAHNBAN1:def 12
.=
(r *' ) * (((FunctionalSAF f,v1) . x) *' )
by COMPLFLD:90
.=
(r *' ) * ((f . x,v1) *' )
by BILINEAR:10
.=
(r *' ) * (f . v1,x)
by A1, Def5
.=
(r *' ) * ((FunctionalFAF f,v1) . x)
by BILINEAR:9
;
verum end;
hence
FunctionalFAF f,v1 is cmplxhomogeneous
by Def1; verum