Results 71 to 80 of about 1,966 (184)

Explainable AI With Imbalanced Learning Strategies for Blockchain Transaction Fraud Detection

open access: yesEngineering Reports, Volume 8, Issue 1, January 2026.
Research methodology pipeline for blockchain fraud detection. ABSTRACT Blockchain networks now support billions of dollars in daily transactions, making reliable and transparent fraud detection essential for maintaining user trust and financial stability.
Ahmed Abbas Jasim Al‐Hchaimi   +2 more
wiley   +1 more source

Defect Wormhole: A Traversable Wormhole Without Exotic Matter

open access: yesActa Physica Polonica B, 2023
20 pages, 5 figures, v8: published ...
openaire   +3 more sources

Interstellar Migration, the Population ‘Problem’ and the Climate Emergency

open access: yes
Critical Quarterly, Volume 68, Issue 1, Page 103-119, April 2026.
Anna Hartnell
wiley   +1 more source

Fast and Efficient Distance based External Wormhole Detection and Prevention System (FEDEWDPS)

open access: yesMajlesi Journal of Electrical Engineering
In terms of applications and research, VANET (Vehicular Ad-hoc Networks) communication is becoming more popular. Existing VANET communication protocols try to improve network performance but fail to consider security issues.
R Prathap Kuma   +2 more
doaj   +1 more source

Hyperbolic Casimir-like wormhole

open access: yesEuropean Physical Journal C: Particles and Fields
We present a systematic study of exact solutions for traversable wormhole geometries in a static and hyperbolic symmetric spacetime. In the conventional form of studying wormhole geometry, traversability requires the presence of exotic matter, which also
R. Avalos   +3 more
doaj   +1 more source

Trust based secure routing algorithm for wireless sensor networks

open access: yesTongxin xuebao, 2008
In order to deal with the safety hidden trouble caused by that the nodes in wireless sensor networks were lack of fixed infrastructure and it was hard to check the malicious behavior of the nodes, so the conception of nodes’ trust was proposed combined ...
WANG Chao, JIA Xiang-yu, LIN Qiang
doaj  

Ricci inverse gravity wormholes

open access: yesPhysics Letters B
The current study deals with the new wormhole solutions in the background of fourth order new modified Ricci inverse gravity. Two new classes of the wormhole solutions are analyzed by showing the valid region for the main part of wormhole geometry under ...
G. Mustafa
doaj   +1 more source

Wormhole cosmic strings [PDF]

open access: yesPhysical Review D, 1995
17 pages, LaTeX, 4 figures (hard copy available on request)
openaire   +3 more sources

Wormholes without averaging

open access: yesJournal of High Energy Physics
After averaging over fermion couplings, SYK has a collective field description that sometimes has “wormhole” solutions. We study the fate of these wormholes when the couplings are fixed. Working mainly in a simple model, we find that the wormhole saddles
Phil Saad   +3 more
doaj   +1 more source

Existence of vacuum wormholes in Einsteinian cubic gravity

open access: yesJournal of High Energy Physics
Wormhole solutions in gravitational theories typically require exotic matter. Here we present a wormhole solution to the field equations of Einsteinian Cubic Gravity — a phenomenological competitor to general relativity that includes terms cubic in the ...
Mengqi Lu, Jiayue Yang, Robert B. Mann
doaj   +1 more source

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