At each sampling time instant, one observes system output and action to form discrete-time rewards. The sampled input-output data are collected along the trajectory of the dynamical system in ...

Physical systems become inherently more complicated and difficult to produce in a lab as the number of dimensions they exist ...

Time-dependent driving has become a powerful tool for creating novel nonequilibrium phases such as discrete time crystals and ...

Time crystals break time-translational symmetry rather than spatial symmetry, as ordinary crystals do. Peter Hannaford and Krzysztof Sacha look at how this exotic state could have similar applications ...

Integrative Oncology Care of Symptoms of Anxiety and Depression in Adults With Cancer: SIO-ASCO Guideline Summary and Q&A Cancer staging is the foundation for all cancer management decisions. For real ...