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Construct the first provably secure linear homomorphic ring signature scheme. Ring signatures allow a signer to anonymously sign a message on behalf of a user group (ring) and are widely applied in areas such as identity protection,…

Cryptography and Security · Computer Science 2026-03-30 Heng Guo , Jia Li , Yanan Wang , Fengxia Liu , Zhiyong Zheng , Kun Tian

Graph Signal Processing deals with the problem of analyzing and processing signals defined on graphs. In this paper, we introduce a novel filtering method for graph-based signals by employing ideas from topological data analysis. We begin…

Signal Processing · Electrical Eng. & Systems 2024-08-27 Matias de Jong van Lier , Sebastián Elías Graiff Zurita , Shizuo Kaji

With emergence of blockchain technologies and the associated cryptocurrencies, such as Bitcoin, understanding network dynamics behind Blockchain graphs has become a rapidly evolving research direction. Unlike other financial networks, such…

In this paper, the problem of matching pairs of correlated random graphs with multi-valued edge attributes is considered. Graph matching problems of this nature arise in several settings of practical interest including social network…

Information Theory · Computer Science 2018-02-06 F. Shirani , S. Garg , E. Erkip

Real network datasets provide significant benefits for understanding phenomena such as information diffusion or network evolution. Yet the privacy risks raised from sharing real graph datasets, even when stripped of user identity…

Social and Information Networks · Computer Science 2020-04-28 Sameera Horawalavithana , Clayton Gandy , Juan Arroyo Flores , John Skvoretz , Adriana Iamnitchi

The context of this paper is the use of formal methods for topology-based geometric modelling. Topology-based geometric modelling deals with objects of various dimensions and shapes. Usually, objects are defined by a graph-based topological…

Graphics · Computer Science 2011-02-15 Thomas Bellet , Agnès Arnould , Pascale Le Gall

Motivated by the recent surge of criminal activities with cross-cryptocurrency trades, we introduce a new topological perspective to structural anomaly detection in dynamic multilayer networks. We postulate that anomalies in the underlying…

Cryptography and Security · Computer Science 2021-07-08 Dorcas Ofori-Boateng , Ignacio Segovia Dominguez , Murat Kantarcioglu , Cuneyt G. Akcora , Yulia R. Gel

Authentication is a process by which an entity,which could be a person or intended computer,establishes its identity to another entity.In private and public computer networks including the Internet,authentication is commonly done through…

Cryptography and Security · Computer Science 2013-01-11 Maheswara Rao Valluri

While QKD ensures information-theoretic security at the link level, real-world deployments depend on trusted repeaters, creating potential vulnerabilities. In this paper, we thus introduce a topology-hiding connectivity assurance protocol…

Cryptography and Security · Computer Science 2026-04-03 Margherita Cozzolino , Stephan Krenn , Thomas Lorünser

Rather than anonymizing social graphs by generalizing them to super nodes/edges or adding/removing nodes and edges to satisfy given privacy parameters, recent methods exploit the semantics of uncertain graphs to achieve privacy protection…

Social and Information Networks · Computer Science 2014-08-07 Hiep H. Nguyen , Abdessamad Imine , Michaël Rusinowitch

Topology Bench is a comprehensive topology dataset designed to accelerate benchmarking studies in optical networks. The dataset, focusing on core optical networks, comprises publicly accessible and ready-to-use topologies, including (a) 105…

Networking and Internet Architecture · Computer Science 2024-11-08 Robin Matzner , Akanksha Ahuja , Rasoul Sadeghi , Michael Doherty , Alejandra Beghelli , Seb J. Savory , Polina Bayvel

Topology identification comprises reconstructing the interaction Hamiltonian of a quantum network by properly processing measurements of its density operator within a fixed time interval. It finds application in several quantum technology…

Quantum Physics · Physics 2022-11-23 Stefano Gherardini , Henk J. van Waarde , Pietro Tesi , Filippo Caruso

In cybersecurity it is often the case that malicious or anomalous activity can only be detected by combining many weak indicators of compromise, any one of which may not raise suspicion when taken alone. The path that such indicators take…

Cryptography and Security · Computer Science 2022-02-17 Thomas Davies

We explore pseudometrics for directed graphs in order to better understand their topological properties. The directed flag complex associated to a directed graph provides a useful bridge between network science and topology. Indeed, it has…

Algebraic Topology · Mathematics 2021-07-26 Ana Lucia Garcia-Pulido , Kathryn Hess , Jane Tan , Katharine Turner , Bei Wang , Naya Yerolemou

A database is a prime target for cyber-attacks as it contains confidential, sensitive, or protected information. With the increasing sophistication of the internet and dependencies on internet data transmission, it has become vital to be…

Cryptography and Security · Computer Science 2022-11-21 Tanvi S. Patel , Srinivasakranthikiran Kolachina , Daxesh P. Patel , Pranav S. Shrivastav

Topology identification and inference of processes evolving over graphs arise in timely applications involving brain, transportation, financial, power, as well as social and information networks. This chapter provides an overview of graph…

Signal Processing · Electrical Eng. & Systems 2025-12-12 Gonzalo Mateos , Yanning Shen , Georgios B. Giannakis , Ananthram Swami

This article approaches the counting of subgraphs, in terms of signature-type functionals defined over combinatorial Hopf algebras of graphs. Well-known algebraic identities that arise in the context of counting subgraphs are then captured…

Rings and Algebras · Mathematics 2025-03-27 Diego Caudillo , Joscha Diehl , Kurusch Ebrahimi-Fard , Emanuele Verri

Topological Data Analysis (TDA) offers a suite of computational tools that provide quantified shape features in high dimensional data that can be used by modern statistical and predictive machine learning (ML) models. In particular,…

Cryptography and Security · Computer Science 2023-07-06 Dominic Gold , Koray Karabina , Francis C. Motta

One of the most important consideration techniques when one want to solve the protecting of digital signal is the golden matrix. The golden matrices can be used for creation of a new kind of cryptography called the golden cryptography. Many…

Cryptography and Security · Computer Science 2015-01-16 Marghny H. Mohamed , Yousef B. Mahdy , Wafaa Abd El-Wahed Shaban

Control Flow Graph (CFG) similarity analysis is an essential technique for a variety of security analysis tasks, including malware detection and malware clustering. Even though various algorithms have been developed, existing CFG similarity…

Cryptography and Security · Computer Science 2020-04-15 Yuping Li , Jiong Jang , Xinming Ou