- UnderlyingDigraph
- UnderlyingElement
- UnderlyingField
- UnderlyingGraph
- UnderlyingMultiDigraph
- UnderlyingMultiGraph
- UnderlyingNetwork
- UnderlyingRing
- UnderlyingVertex
- Underscore
- Undirected
- Ungetc
- Uniform
- Uniformizer
- Uniformizing
- UniformizingElement
- UniformizingParameter
- Unimodular
- uninitialized
- uninitialized-identifier
- Union
- CompleteUnion(G, H) : GrphDir, GrphDir -> GrphDir
- EdgeUnion(G, H) : GrphDir, GrphDir -> GrphDir
- EdgeUnion(G, H) : GrphMultUnd, GrphMultUnd -> GrphMultUnd
- EdgeUnion(N, H) : GrphNet, GrphNet -> GrphNet
- Union(G, H) : GrphMultUnd, GrphMultUnd -> GrphMultUnd
- Union(N, H) : GrphNet, GrphNet -> GrphNet
- Union(G, H) : GrphUnd, GrphUnd -> GrphUnd
- Union(D, E) : Inc, Inc -> Inc
- Union(C,D) : Sch,Sch -> Sch
- X join Y : Sch,Sch -> Sch
- union
- union-product
- Unipotent
- IsUnipotent(a) : AlgMatElt -> BoolElt, RngIntElt
- IsUnipotent(x) : GrpLieElt -> BoolElt
- IsUnipotent(G) : GrpMat -> BoolElt
- IsUnipotent(G) : GrpMat -> BoolElt, GrpMatElt
- UnipotentClasses(type,d,q) : MonStgElt, RngIntElt, RngIntElt -> SeqEnum, SeqEnum
- UnipotentMatrixGroup(G) : GrpMat -> GrpMatUnip
- UnipotentStabiliser(G, U: parameters) : GrpMat, ModTupFld -> GrpMat, ModTupFld, GrpMatElt, GrpSLPElt
- UnipotentClasses
- UnipotentMatrixGroup
- UnipotentStabiliser
V2.28, 13 July 2023