Results 31 to 40 of about 58,144 (98)

Byzantine Agreement with Unknown Participants and Failures [PDF]

open access: yesarXiv, 2021
A set of mutually distrusting participants that want to agree on a common opinion must solve an instance of a Byzantine agreement problem. These problems have been extensively studied in the literature. However, most of the existing solutions assume that the participants are aware of $n$ -- the total number of participants in the system -- and $f ...
arxiv  

Byzantine Agreement in Polynomial Time with Near-Optimal Resilience [PDF]

open access: yesarXiv, 2022
It has been known since the early 1980s that Byzantine Agreement in the full information, asynchronous model is impossible to solve deterministically against even one crash fault [FLP85], but that it can be solved with probability 1 [Ben83], even against an adversary that controls the scheduling of all messages and corrupts up to $f
arxiv  

Reliable Broadcast despite Mobile Byzantine Faults [PDF]

open access: yesarXiv, 2023
We investigate the solvability of the Byzantine Reliable Broadcast and Byzantine Broadcast Channel problems in distributed systems affected by Mobile Byzantine Faults. We show that both problems are not solvable even in one of the most constrained system models for mobile Byzantine faults defined so far.
arxiv  

Pierced, looped and framed: the (re)use of gold coins in jewellery in sixth‐ and seventh‐century England

open access: yesEarly Medieval Europe, Volume 32, Issue 3, Page 337-386, August 2024.
The early medieval coin‐using economy is traditionally conceptualized as a masculine sphere with minimal female involvement. This article examines a corpus of 135 gold and pale gold coins of the later sixth and seventh centuries that underwent modification as coin‐pendants, a form of jewellery that belongs almost exclusively to feminine contexts ...
Katie D. Haworth   +1 more
wiley   +1 more source

What is adoration? Contesting meaning in the margins of the Opus Caroli regis contra synodum (c.790–4)

open access: yesEarly Medieval Europe, Volume 32, Issue 3, Page 387-411, August 2024.
Contradictions over the meaning of adoration (adoratio) in Theodulf of Orléans’ Opus Caroli regis contra synodum have been used to minimize the role of mistranslation in the late eighth‐century Greek–Latin dispute over images. This study, however, scrutinizes the contested meaning of adoration in the original manuscript to expose tensions among ...
Huw Foden
wiley   +1 more source

Byzantine Dispersion on Graphs [PDF]

open access: yesarXiv, 2021
This paper considers the problem of Byzantine dispersion and extends previous work along several parameters. The problem of Byzantine dispersion asks: given $n$ robots, up to $f$ of which are Byzantine, initially placed arbitrarily on an $n$ node anonymous graph, design a terminating algorithm to be run by the robots such that they eventually reach a ...
arxiv  

The past and future of the study of Islamic esotericism

open access: yesReligion Compass, Volume 18, Issue 7, July 2024.
Abstract The study of Islamic esotericism, particularly the concept of al‐bāṭiniyya, remains fragmented. While often studied under various labels like “mysticism” and “occultism,” it is widely equated to Sufism. Scholars still hesitate to use the term al‐bāṭiniyya due to its historical pejorative connotations, linking it to extremist adherence to ...
Liana Saif
wiley   +1 more source

Using Terrestrial Laser Scanning, Unmanned Aerial Vehicles and Mixed Reality Methodologies for Digital Survey, 3D Modelling and Historical Recreation of Religious Heritage Monuments [PDF]

open access: yesarXiv, 2023
Preserving and safeguarding the Cultural Heritage (CH) of our world from unforeseen hazards should be viewed as a collective responsibility for humanity. Consequently, there is a growing imperative for targeted measures aimed at conserving, rejuvenating, and safeguarding historical assets that carry cultural significance.
arxiv  

Towards a Performance Model for Byzantine Fault Tolerant (Storage) Services [PDF]

open access: yesarXiv, 2021
Byzantine fault-tolerant systems have been researched for more than four decades, and although shown possible early, the solutions were impractical for a long time. With PBFT the first practical solution was proposed in 1999 and spawned new research which culminated in novel applications using it today.
arxiv  

The consul vanishes? On using and not using Gregory the Great's Register in early medieval England

open access: yesEarly Medieval Europe, Volume 32, Issue 1, Page 106-127, February 2024.
This article builds upon recent scholarship emphasizing the importance of Gregory the Great's Register as a key text of the Carolingian and post‐Carolingian library, exploring by contrast its peculiarly limited reception in England. It first surveys what little evidence we have for its citation by English ecclesiastics (post‐c.1000, mostly via Wulfstan)
Benjamin Savill
wiley   +1 more source

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