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math.FA2022
On sequences of sectorial forms converging `from above'
Hendrik Vogt, Jürgen Voigt
We present a form convergence theorem for sequences of sectorial forms and their associated semigroups in a complex Hilbert space. Roughly speaking, the approximating forms a…
math.FA2022
Couplings and primitives on topological spaces
Jürgen Voigt
For an open covering of a topological space and a mapping , where $\mathcal I:=\bigl\{(U,V)\in\mathcal U\times\mathcal U;\ U\cap V\ne\v…