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Recent observations on the large-scale structure of the universe indicate that the cosmological constant cannot be the definitive answer to the nature of dark energy. Therefore, it is a good time to propose alternatives to understand the…

General Relativity and Quantum Cosmology · Physics 2024-09-12 I. A. Sarmiento Alvarado , Maribel Hernández Márquez , Tonatiuh Matos

Structured prediction plays a central role in machine learning applications from computational biology to computer vision. These models require significantly more computation than unstructured models, and, in many applications, algorithms…

Machine Learning · Computer Science 2013-12-03 Alexander Grubb , Daniel Munoz , J. Andrew Bagnell , Martial Hebert

Temporal graphs represent interactions between entities over time. These interactions may be direct, a contact between two vertices at some time instant, or indirect, through sequences of contacts called journeys. Deciding whether an entity…

Data Structures and Algorithms · Computer Science 2023-06-27 Luiz F. Afra Brito , Marcelo Keese Albertini , Bruno A. N. Travençolo

The gap between a microscopic theory for quantum spacetime and the semiclassical physics of blackholes is bridged by treating the blackhole spacetimes as highly excited states of a class of nonlocal field theories. All the blackhole…

High Energy Physics - Theory · Physics 2009-10-31 T. Padmanabhan

The design complexity of CNNs has been steadily increasing to improve accuracy. To cope with the massive amount of computation needed for such complex CNNs, the latest solutions utilize blocking of an image over the available dimensions and…

Distributed, Parallel, and Cluster Computing · Computer Science 2018-06-19 Daejin Jung , Sunjung Lee , Wonjong Rhee , Jung Ho Ahn

Computational complexity characterizes the usage of spatial and temporal resources by computational processes. In the classical theory of computation, e.g. in the Turing Machine model, computational processes employ only local space and…

Quantum Physics · Physics 2025-09-25 Chris Fields , James F. Glazebrook , Antonino Marciano , Emanuele Zappala

The nature of quantum nonlocality, as exemplified by entanglement, remains one of the deepest mysteries in quantum physics, challenging classical notions of causality and locality. In this work, we introduce the concept of dark space-time,…

General Physics · Physics 2025-04-29 Arun Kumar Pati

Why is the manifold topology in a spacetime taken for granted? Why do we prefer to use Riemann open balls as basic-open sets, while there also exists a Lorentz metric? Which topology is a best candidate for a spacetime; a topology…

Mathematical Physics · Physics 2019-09-17 Kyriakos Papadopoulos , Fabio Scardigli

Quantum Computing (QC) is an emerging and fast-growing research field that combines computer science with quantum mechanics such as quantum superposition and quantum entanglement. In order to contribute to a clarification of this field, the…

Physics and Society · Physics 2022-11-30 Imed Boughzala , Nesrine Ben Yahia , Narjès Bellamine Ben Saoud , Wissem Eljaoued

The discovery by Gott of a remarkably simple spacetime with closed timelike curves (CTC's) provides a tool for investigating how the creation of time machines is prevented in classical general relativity. The Gott spacetime contains two…

General Relativity and Quantum Cosmology · Physics 2009-10-22 Sean M. Carroll , Edward Farhi , Alan H. Guth , Ken D. Olum

This paper presents a speculative model exploring the behavior of quantum information for particles entering closed timelike curves (CTCs) in Kerr-Newman spacetime. We apply Gavassino's restoration principle to derive a theoretical…

General Relativity and Quantum Cosmology · Physics 2024-08-09 Aviral Damle , Thomas Law

A dynamical system can be regarded as an information processing apparatus that encodes input streams from the external environment to its state and processes them through state transitions. The information processing capacity (IPC) is an…

Machine Learning · Computer Science 2021-05-31 Tomoyuki Kubota , Hirokazu Takahashi , Kohei Nakajima

We consider the region of closed timelike curves (CTC's) in three-dimensional flat Lorentz spacetimes. The interest in this global geometrical feature goes beyond the purely mathematical. Such spacetimes may be considered lower-dimensional…

Differential Geometry · Mathematics 2009-11-07 Virginie Charette , Todd A. Drumm , Dieter Brill

A causal set C can describe a discrete spacetime, but this discrete spacetime is not quantum, because C is endowed with Boolean logic, as it does not allow cycles. In a quasi-ordered set Q, cycles are allowed. In this paper, we consider a…

General Relativity and Quantum Cosmology · Physics 2007-05-23 P. A. Zizzi

We describe the time evolution of quantum systems in a classical background space-time by means of a covariant derivative in an infinite dimensional vector bundle. The corresponding parallel transport operator along a timelike curve $\cC$…

General Relativity and Quantum Cosmology · Physics 2007-05-23 Dirk Graudenz

Trying to be effective (no matter who exactly and in what field) a person face the problem which inevitably destroys all our attempts to easily get to a desired goal. The problem is the existence of some insuperable barriers for our mind,…

Artificial Intelligence · Computer Science 2016-11-17 Kirill A. Sorudeykin

Merging disciplines has led to incredible learnings and breakthroughs throughout history, including the discovery of quantum computing: a cross between computation and quantum physics. In this paper, I will discuss how we can cross quantum…

Quantum Physics · Physics 2025-06-23 Maria Violaris

We initiate a formal study of logical inferences in context of the measure problem in cosmology or what we call cosmic logic. We describe a simple computational model of cosmic logic suitable for analysis of, for example, discretized…

High Energy Physics - Theory · Physics 2019-01-15 Vitaly Vanchurin

This study examines the integration of Contrastive Predictive Coding (CPC) with Spiking Neural Networks (SNN). While CPC learns the predictive structure of data to generate meaningful representations, SNN mimics the computational processes…

Signal Processing · Electrical Eng. & Systems 2025-06-12 Emirhan Bilgiç , Neslihan Serap Şengör , Namık Berk Yalabık , Yavuz Selim İşler , Aykut Görkem Gelen , Rahmi Elibol

Concurrent pattern calculus (CPC) drives interaction between processes by comparing data structures, just as sequential pattern calculus drives computation. By generalising from pattern matching to pattern unification, interaction becomes…

Logic in Computer Science · Computer Science 2015-07-01 Thomas Given-Wilson , Daniele Gorla , Barry Jay
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