<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" altimg="si1.gif" overflow="scroll"><mml:mrow><mml:msub><mml:mi mathvariant="script">L</mml:mi><mml:mn>2</mml:mn></mml:msub><mml:mo>−</mml:mo><mml:msub><mml:mi mathvariant="script">L</mml:mi><mml:mi>∞</mml:mi></mml:msub></mml:mrow></mml:math> synchronization for singularly perturbed complex networks with semi-Markov jump topology