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View article: Spacetime symmetries and geometric diffusion
Spacetime symmetries and geometric diffusion Open
We examine relativistic diffusion through the frame and observer bundles associated with a Lorentzian manifold ( M , g ). Our focus is on spacetimes with a non-trivial isometry group, and we detail the conditions required to find symmetric…
View article: Precise Quantum Angle Generator Designed for Noisy Quantum Devices
Precise Quantum Angle Generator Designed for Noisy Quantum Devices Open
The Quantum Angle Generator (QAG) is a cutting-edge quantum machine learning model designed to generate precise images on current Noise Intermediate Scale Quantum devices. It utilizes variational quantum circuits and incorporates the MERA-…
View article: Precise Quantum Angle Generator Designed for Noisy Quantum Devices
Precise Quantum Angle Generator Designed for Noisy Quantum Devices Open
\nThe Quantum Angle Generator (QAG) is a cutting-edge quantum machine learning model designed to generate precise images on current Noise Intermediate Scale Quantum devices. It utilizes variational quantum circuits and incorporates the MER…
View article: Precise image generation on current noisy quantum computing devices
Precise image generation on current noisy quantum computing devices Open
The quantum angle generator (QAG) is a new full quantum machine learning model designed to generate accurate images on current noise intermediate scale quantum devices. Variational quantum circuits form the core of the QAG model, and vario…
View article: Precise Image Generation on Current Noisy Quantum Computing Devices
Precise Image Generation on Current Noisy Quantum Computing Devices Open
The Quantum Angle Generator (QAG) is a new full Quantum Machine Learning model designed to generate accurate images on current Noise Intermediate Scale (NISQ) Quantum devices. Variational quantum circuits form the core of the QAG model, an…
View article: The Covariant Phase Space of Gravity with Boundaries
The Covariant Phase Space of Gravity with Boundaries Open
This thesis investigates how the metric and tetrad formulations of three gravitational field theories in manifolds with timelike boundaries within the covariant phase space program. With the recently developed relative bicomplex framework,…
View article: On-shell equivalence of general relativity and Holst theories with nonmetricity, torsion, and boundaries
On-shell equivalence of general relativity and Holst theories with nonmetricity, torsion, and boundaries Open
We study a generalization of the Holst action where we admit nonmetricity and\ntorsion in manifolds with timelike boundaries (both in the metric and tetrad\nformalism). We prove that its space of solutions is equal to the one of the\nPalat…
View article: Covariant phase space for gravity with boundaries: Metric versus tetrad formulations
Covariant phase space for gravity with boundaries: Metric versus tetrad formulations Open
We use covariant phase space methods to study the metric and tetrad formulations of general relativity in a manifold with boundary and compare the results obtained in both approaches. Proving their equivalence has been a long-lasting probl…
View article: Palatini gravity with nonmetricity, torsion, and boundaries in metric and connection variables
Palatini gravity with nonmetricity, torsion, and boundaries in metric and connection variables Open
We prove the equivalence in the covariant phase space of the metric and\nconnection formulations for Palatini gravity, with nonmetricity and torsion, on\na spacetime manifold with boundary. To this end, we will rely on the\ncohomological a…