n215521SE Academic Article uri icon

abstract

  • In this note we initiate a study of the old unsolved problem whether every T ()of the form T = H + iK with K compact has a nontrivial invariant subspace, using [6] as our main tool. In case 0 we obtain some positive results. Indiana University Mathematics Journal 2009.

published proceedings

  • Indiana University Mathematics Journal

author list (cited authors)

  • Foias, C., Hamid, S., Onica, C., & Pearcy, C.

publication date

  • January 1, 2009 11:11 AM