Adjoints of sums of m-accretive operators and applications to non-autonomous evolutionary equations

HIGHLIGHTS

• What: The authors provide certain compatibility conditions for m-accretive operators such that the adjoint of the sum is given by the closure of the sum of the respective adjoint. The authors show that the general mechanism provided here can be applied to establish wellposedness for with L∞ -coefficients thus not only generalising known results but opening up new directions other methods such as evolution families have a hard time to come by. The aim of this Article is to understand the situation for the case M0=M0 (m0 ) and M1=M1 (m0 ) are multiplication operators of . . .
  

   

  

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