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Journals and Conferences
We demonstrate how to compute real-time Green’s functions for a class of finite temperature field theories from their AdS gravity duals. In particular, we reproduce the 2× 2 SchwingerKeldysh matrix propagator from a gravity calculation. Our methods should work also for computing higher point Lorentzian signature correlators. We elucidate the boundary… (More)
We consider the features of multiparticle tree cross sections in scalar theories in the framework of a semiclassical approach. These cross sections at large multiplicities have exponential form, and the properties of the exponent in different regimes are discussed.
In this paper we build on the spectral theory for linear fractional differential equations and prove that the fractional Lyapunov spectrum of solutions starting from a unit sphere is the union of a compact interval in R<0 and at most d distinct fractional Lyapunov exponents. AMS Subject Classifications: 34A08, 34D08.
This brief addresses the problem of global dissipativity analysis of nonautonomous neural networks with multiple proportional delays. By using a novel constructive approach based on some comparison techniques for differential inequalities, new explicit delay-independent conditions are derived using M-matrix theory to ensure the existence of generalized… (More)
In biochemical networks transient dynamics plays a fundamental role, since the activation of signalling pathways is determined by thresholds encountered during the transition from an initial state (e.g. an initial concentration of a certain protein) to a steady-state. These thresholds can be defined in terms of the inflection points of the stimulus-response… (More)