Introduction : co-evolution, complexity and emergence in regional innovation systems -- What went wrong with the vertical process and policy perspective? -- What is transversality? -- The co-evoluttionary origins of transversatlity -- Transversality and transition in innovation and eco-innovation : towards complex adaptive systems analysis -- Transition regions and eco-innovations : studies in complexity -- Resilience, relatedness & complexity geography : strange attractors in regional innovation -- Complexity, relatedness and transverslity : empirical evidence of regional innovation platform policies -- Complexity, variety and the emergent properties of regional innovation strategy.