A study of second order semilinear elliptic PDE involving measures

Ratan Kumar Giri, Debajyoti Choudhuri


The objective of this article is to study the boundary value problem for the general semilinear elliptic equation of second order involving $L^1$ functions or Radon measures with finite total variation. The study investigates the existence and uniqueness of `{\it very weak}'  solutions to the boundary value problem for a given $L^1$ function. However, a `{\it very weak}'  solution need not exist when an $L^1$ function is replaced with a measure due to which the corresponding reduced limits has been found for which the problem admits a solution in a `{\it very weak}' sense.


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