Example: The Bart-Gohberg-Kaashoek-Van Dooren Theorem

In this section, we derive a theorem due to Bart, Gohberg, Kaashoek and van Dooren. The reader can skip the statement of this theorem (§) if he wishes and go directly to the algebraic problem statement (§).

• Background
• The problem
• Solution via a prestrategy
• The end game
• Concluding Remarks