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Critical scalarization and descalarization of black holes in a generalized scalar-tensor theory
We study the critical dynamics in scalarization and descalarization in the fully nonlinear dynamical evolution in the class of theories with a scalar...
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Inversion points of the accretion flows onto super-spinning Kerr attractors
We study the accretion flows towards a central Kerr super-spinning attractor, discussing the formation of the flow inversion points, defined by...
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Hydrodynamization in hybrid Bjorken flow attractors
Hybrid fluid models, consisting of two sectors with more weakly and more strongly self-interacting degrees of freedom coupled consistently as in the...
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On dark energy effects on the accretion physics around a Kiselev spinning black hole
Kiselev metric in the static and rotating form is widely used to test different aspects of the dark energy ( DE ) effects. We consider a DE Kiselev...
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On photons and matter inversion spheres from complex super-spinars accretion structures
Our analysis focus on the dragging effects on the accretion flows and jet emission in Kerr super-spinars. These attractors are characterized by...
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Dynamics of dark energy in a scalar-vector-torsion theory
We study the cosmological dynamics of dark energy in a scalar-vector-torsion theory. The vector field is described by the cosmic triad and the scalar...
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Non-Holomorphic Cycles and Non-BPS Black Branes
We study extremal non-BPS black holes and strings arising in M-theory compactifications on Calabi–Yau threefolds, obtained by wrap** M2 branes on...
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Black Holes in Alternative Theories of Gravity
AbstractBlack holes represent ideal laboratories to test Einstein’s theory of general relativity and alternative theories of gravity. Alternative...
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Properties of generalized synchronization in smooth and non-smooth identical oscillators
This paper deals with the phenomenon of the GS only in the context of unidirectional connection between identical exciter and receivers. A special...
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Fermionic fixed-point structure of asymptotically safe QED with a Pauli term
We test the physical viability of a recent proposal for an asymptotically safe modification of quantum electrodynamics (QED), whose ultraviolet...
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Emergence of Multistability
Despite a great variety of underlying mechanisms, the overall behavior of multistable systems is fairly similar. All of them exhibit very complex...
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Extending the Bayesian Framework from Information to Action
In this review, we examine an extended Bayesian inference method and its relation to biological information processing. We discuss the idea of...
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Symmetric fluxes and small tadpoles
The analysis of type IIB flux vacua on warped Calabi-Yau orientifolds becomes considerably involved for a large number of complex structure fields....
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On Phase Transitions in Coupled Map Lattices
Coupled map lattices are a paradigm for studying fundamental questions in spatially extended dynamical systems. Within this tutorial we focus on...
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Thermal stability of stealth and de Sitter spacetimes in scalar-tensor gravity
Stealth solutions of scalar-tensor gravity and less-known de Sitter spaces that generalize them are analyzed regarding their possible role as thermal...
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Asymptotic accelerated expansion in string theory and the Swampland
We study whether the universal runaway behaviour of stringy scalar potentials towards infinite field distance limits can produce an accelerated...
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Global flow structure and exact formal transseries of the Gubser flow in kinetic theory
In this work we introduce the generic conditions for the existence of a non-equilibrium attractor that is an invariant manifold determined by the...
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Entropy production and entropic attractors in black hole fusion and fission
We study how black hole entropy is generated and the role it plays in several highly dynamical processes: the decay of unstable black strings and...
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Aspects of GRMHD in high-energy astrophysics: geometrically thick disks and tori agglomerates around spinning black holes
This work focuses on some key aspects of the general relativistic (GR)—magneto-hydrodynamic (MHD) applications in high-energy astrophysics. We...
