OAI/Algebra/Finitistic/Bimodule/BimoduleTotalInsertion.lean

GitHub source file

8 declarations, 0 contain sorry, 0 declared as axioms

  1. def OAI.LittleFinitistic.BimoduleTotal.insertion line 14

    Source documentation

    Insert one actual left-degree component into the finite total.

    def insertion (n a : ℤ) : Term k B P Z a (n + -a) →ₗ[B] TotalTerm k B P p Z n := by
    …

    Mentions: OAI.LittleFinitistic.BimoduleTotal.Term, OAI.LittleFinitistic.BimoduleTotal.TotalTerm

  2. theorem OAI.LittleFinitistic.BimoduleTotal.insertion_same line 19
  3. theorem OAI.LittleFinitistic.BimoduleTotal.insertion_other line 24
  4. theorem OAI.LittleFinitistic.BimoduleTotal.coefficient_insertion_other line 30
  5. theorem OAI.LittleFinitistic.BimoduleTotal.coefficient_insertion_self line 42
  6. theorem OAI.LittleFinitistic.BimoduleTotal.coefficient_d_between line 53
  7. theorem OAI.LittleFinitistic.BimoduleTotal.coefficient_d_insertion_above line 65

    Source documentation

    A correction inserted in degree a cannot affect total coordinates above a+1.

    theorem coefficient_d_insertion_above (n m : ℤ) (h : n+1=m) (a b : ℤ) (hab : a+1<b)
        (y : Term k B P Z a (n + -a)) :
        coefficient k B P Z p m b
          (((total k B P p hp Z).d n m).hom (insertion k B P Z p n a y)) = 0 := by
    …

    Mentions: OAI.LittleFinitistic.BimoduleTotal.Term, OAI.LittleFinitistic.BimoduleTotal.coefficient, OAI.LittleFinitistic.BimoduleTotal.total, OAI.LittleFinitistic.BimoduleTotal.insertion

  8. theorem OAI.LittleFinitistic.BimoduleTotal.coefficient_d_insertion_next line 77

    Source documentation

    The next coordinate of the inserted correction is exactly its horizontal differential.

    theorem coefficient_d_insertion_next (n m : ℤ) (h : n+1=m) (a b : ℤ) (hab : a+1=b)
        (y : Term k B P Z a (n + -a)) :
        coefficient k B P Z p m b
          (((total k B P p hp Z).d n m).hom (insertion k B P Z p n a y)) =
          horizontalBetween k B P Z n m a b h hab y := by
    …

    Mentions: OAI.LittleFinitistic.BimoduleTotal.Term, OAI.LittleFinitistic.BimoduleTotal.coefficient, OAI.LittleFinitistic.BimoduleTotal.total, OAI.LittleFinitistic.BimoduleTotal.insertion, OAI.LittleFinitistic.BimoduleTotal.horizontalBetween