Journal of Information and Optimization Sciences cover

Journal of Information and Optimization Sciences

(Since 1980)

Hybrid ·Peer-reviewed·ISSN (Online): 2169-0103·ISSN (Print): 0252-2667

WoS JIF 2026 : 0.4 (Q4)

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Monthly Journal: Publishes theoretical and applied research on topics in information and optimization sciences.

Issues up to 2022 co-published with and available at:

Taylor & Francis

submissions@tarupublications.com

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Open Access Journal of Information and Optimization Sciences

A tight semidefinite relaxation for portfolio optimization problem with cardinality constraint

Nirakar Sahoo, Rupaj Kumar Nayak

May 2026