PreprintMulticomponent q-PIV and its ultradiscrete limitC. M. Field and C. M. OrmerodAbstractWe generalize the symmetric fourth q-Painleve equation q-P_{VI} to the noncommutative setting. Considering the symmetric q-P_{IV} to be matrix valued, well-defined multicomponent systems are obtained. The ultradiscrete limit of these systems yields coupled multicomponent ultradiscrete systems that generalize ultradiscrete P_{IV}. The dynamics, and specifically the integrability, of the newly introduced multicomponent ultradiscrete systems is studied.Keywords: Integrable, cellular automata, Painlevé, ultradiscrete. AMS Subject Classification: Primary 39A13; secondary 33C70, 37J35, 16Y60.
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