diff options
Diffstat (limited to 'mathcomp/character/mxrepresentation.v')
| -rw-r--r-- | mathcomp/character/mxrepresentation.v | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/mathcomp/character/mxrepresentation.v b/mathcomp/character/mxrepresentation.v index 4558b3d..c8d7ab1 100644 --- a/mathcomp/character/mxrepresentation.v +++ b/mathcomp/character/mxrepresentation.v @@ -1513,7 +1513,7 @@ Qed. (* Module isomorphism is an intentional property in general, but it can be *) (* decided when one of the two modules is known to be simple. *) -CoInductive mx_iso (U V : 'M_n) : Prop := +Variant mx_iso (U V : 'M_n) : Prop := MxIso f of f \in unitmx & (U <= dom_hom_mx f)%MS & (U *m f :=: V)%MS. Lemma eqmx_iso U V : (U :=: V)%MS -> mx_iso U V. @@ -1692,7 +1692,7 @@ Qed. Implicit Type I : finType. -CoInductive mxsemisimple (V : 'M_n) := +Variant mxsemisimple (V : 'M_n) := MxSemisimple I U (W := (\sum_(i : I) U i)%MS) of forall i, mxsimple (U i) & (W :=: V)%MS & mxdirect W. @@ -1812,7 +1812,7 @@ Qed. (* Completely reducible modules, and Maeschke's Theorem. *) -CoInductive mxsplits (V U : 'M_n) := +Variant mxsplits (V U : 'M_n) := MxSplits (W : 'M_n) of mxmodule W & (U + W :=: V)%MS & mxdirect (U + W). Definition mx_completely_reducible V := @@ -2969,7 +2969,7 @@ Section Similarity. Variables (gT : finGroupType) (G : {group gT}). Local Notation reprG := (mx_representation F G). -CoInductive mx_rsim n1 (rG1 : reprG n1) n2 (rG2 : reprG n2) : Prop := +Variant mx_rsim n1 (rG1 : reprG n1) n2 (rG2 : reprG n2) : Prop := MxReprSim B of n1 = n2 & row_free B & forall x, x \in G -> rG1 x *m B = B *m rG2 x. |