About the Journal
The Journal of Nonlinear Analysis and Optimization: Theory & Applications (JNAO) is a peer-reviewed, open-access international journal dedicated to publishing original research of contemporary interest. The journal covers all theoretical, computational, and applied aspects of nonlinear analysis, convex analysis, fixed-point theory, and optimization techniques, including their applications in science and engineering.
Peer Review & Publication Frequency
All submitted manuscripts undergo a rigorous single-blind peer-review process, adhering to the highest standards maintained by premier mathematical publications. Accepted papers are published online in their final form as JNAO-formatted PDFs. The journal publishes two issues annually, in June and December.
Official Digital Identity & Authenticity
JNAO is an official publication of the Department of Mathematics at Naresuan University, Thailand. Beginning in 2025, to ensure the integrity of the scholarly record, all published articles are permanently registered with Crossref and assigned an official Digital Object Identifier (DOI) under the Naresuan University prefix: 10.69650. This ThaiJO portal is the only genuine and authorized website for JNAO.
Open Access Policy
This journal provides immediate open access to its content on the principle that making research freely available to the public supports a greater global exchange of knowledge.
Publication Charges
There are no charges to submit, process, or publish an article in JNAO. All articles published in our journal are strictly open-access and are freely and widely available to all readers via the official journal website.
Reviewing and Indexing
Papers appearing in JNAO are reviewed and indexed by the following databases:
