Control and Estimation of Systems with Input Output Delays Krein Space Optimal Estimation for Systems with Measurement Delays Optimal Control for Systems with Input Output Delays H Estimation for Discrete Time Systems with Measurement Delays H Control for Discrete Time Systems with Multiple Input Delays Linear Estimation for Continuous Time Systems with Measurement Delays H Estimation for Systems with Multiple State and Measurement Delays Optimal and H Control of Continuous Time Systems with Input Output Delays.