OAI/Algebra/GroupRing/AttachmentFurther.lean
43 declarations, 0 contain sorry, 0 declared as axioms
- lemma
OAI.GroupRingTopology.Attachment.sphere_filling_preservedline 23 - lemma
OAI.GroupRingTopology.Attachment.dimH_disk_subtype_leline 36 - lemma
OAI.GroupRingTopology.Attachment.filling_reflectedline 43Source documentation
Relative cellular approximation implies that a low-dimensional sphere that bounds after a high-dimensional attachment already bounded beforehand.
lemma filling_reflected {m : ℕ} (hm : m < n) (b : C(Sphere m,X)) (hb : SphereTopology.Extends ((⟨base a,continuous_base a⟩ : C(X,Space a)).comp b)) : SphereTopology.Extends b := by …Mentions: OAI.GroupRingTopology.Attachment.Sphere, OAI.GroupRingTopology.SphereTopology.Extends, OAI.GroupRingTopology.Attachment.base, OAI.GroupRingTopology.Attachment.continuous_base, OAI.GroupRingTopology.Attachment.Space
- lemma
OAI.GroupRingTopology.Attachment.pathConnectedSpaceline 61 - instance
OAI.GroupRingTopology.Cayley.presentationCoverT2line 85 - instance
OAI.GroupRingTopology.Cayley.presentationCoverCWline 88 - lemma
OAI.GroupRingTopology.Cayley.presentationCover_pathConnectedline 92 - lemma
OAI.GroupRingTopology.Cayley.presentationCover_sphereFillline 101 - lemma
OAI.GroupRingTopology.Cayley.presentationCover_simplyConnectedline 111 - abbrev
OAI.GroupRingTopology.Orbitsline 125 - lemma
OAI.GroupRingTopology.orbit_mk_smulline 127 - lemma
OAI.GroupRingTopology.orbit_out_translateline 131 - lemma
OAI.GroupRingTopology.orbitCoordinates_bijectiveline 140 - def
OAI.GroupRingTopology.orbitCoordinatesline 156 - lemma
OAI.GroupRingTopology.orbitCoordinates_applyline 159 - def
OAI.GroupRingTopology.Cellular.actionChartline 172 - lemma
OAI.GroupRingTopology.Cellular.actionChart_applyline 175 - lemma
OAI.GroupRingTopology.Cellular.actionChart_imageline 178 - lemma
OAI.GroupRingTopology.Cellular.actionChart_sourceline 182 - lemma
OAI.GroupRingTopology.Cellular.actionChart_continuousOnline 186 - lemma
OAI.GroupRingTopology.Cellular.actionChart_continuousOn_symmline 190 - lemma
OAI.GroupRingTopology.Cellular.actionChart_openline 204 - lemma
OAI.GroupRingTopology.Cellular.actionChart_closedline 210 - lemma
OAI.GroupRingTopology.Cellular.closedCell_smulline 217 - def
OAI.GroupRingTopology.Cellular.actionCWline 228Source documentation
A free permutation of cell orbits can be made strictly equivariant at the level of characteristic maps. This changes neither the space nor the cells.
def actionCW : CWComplex (univ : Set X) where …
- lemma
OAI.GroupRingTopology.Cellular.actionChart_smulline 285 - lemma
OAI.GroupRingTopology.Milnor.vertexTranslate_injectiveline 296 - lemma
OAI.GroupRingTopology.Milnor.translate_cardline 303 - abbrev
OAI.GroupRingTopology.Milnor.StageCellline 306 - def
OAI.GroupRingTopology.Milnor.cellTranslateline 308 - instance
OAI.GroupRingTopology.Milnor.cellActionline 311 - lemma
OAI.GroupRingTopology.Milnor.cell_smul_valline 316 - lemma
OAI.GroupRingTopology.Milnor.cellAction_freeline 319 - abbrev
OAI.GroupRingTopology.Milnor.CellOrbitsline 328 - def
OAI.GroupRingTopology.Milnor.cellCoordinatesline 330 - lemma
OAI.GroupRingTopology.Milnor.cellCoordinates_applyline 333 - instance
OAI.GroupRingTopology.Milnor.cellOrbits_finiteline 336 - lemma
OAI.GroupRingTopology.Milnor.stage_smul_supportline 355 - lemma
OAI.GroupRingTopology.Milnor.stage_openCellline 359 - lemma
OAI.GroupRingTopology.Milnor.stage_closedCellline 363 - lemma
OAI.GroupRingTopology.Milnor.stage_openCell_smulline 368 - lemma
OAI.GroupRingTopology.Milnor.stage_closedCell_smulline 382 - def
OAI.GroupRingTopology.Milnor.stageEquivariantCWline 399