{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,18]],"date-time":"2026-01-18T08:01:36Z","timestamp":1768723296331,"version":"3.49.0"},"reference-count":0,"publisher":"The Electronic Journal of Combinatorics","issue":"2","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Electron. J. Combin."],"abstract":"<jats:p>Let $T$ be a tree with an irreducible characteristic polynomial $\\phi(x)$ over $\\mathbb{Q}$. Let $\\Delta(T)$ be the discriminant of $\\phi(x)$. It is proved that if $2^{-\\frac n2}\\sqrt{\\Delta(T)}$ (which is always an integer) is odd and square free, then every signed tree with underlying graph $T$ is determined by its generalized spectrum.<\/jats:p>","DOI":"10.37236\/12423","type":"journal-article","created":{"date-parts":[[2025,4,24]],"date-time":"2025-04-24T13:57:18Z","timestamp":1745503038000},"source":"Crossref","is-referenced-by-count":0,"title":["Generalized Spectral Characterization of Signed Trees"],"prefix":"10.37236","volume":"32","author":[{"given":"Yizhe","family":"Ji","sequence":"first","affiliation":[]},{"given":"Wei","family":"Wang","sequence":"additional","affiliation":[]},{"given":"Hao","family":"Zhang","sequence":"additional","affiliation":[]}],"member":"23455","published-online":{"date-parts":[[2025,4,25]]},"container-title":["The Electronic Journal of Combinatorics"],"original-title":[],"link":[{"URL":"https:\/\/www.combinatorics.org\/ojs\/index.php\/eljc\/article\/download\/v32i2p18\/pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/www.combinatorics.org\/ojs\/index.php\/eljc\/article\/download\/v32i2p18\/pdf","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2025,4,24]],"date-time":"2025-04-24T13:57:18Z","timestamp":1745503038000},"score":1,"resource":{"primary":{"URL":"https:\/\/www.combinatorics.org\/ojs\/index.php\/eljc\/article\/view\/v32i2p18"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2025,4,25]]},"references-count":0,"journal-issue":{"issue":"2","published-online":{"date-parts":[[2025,4,11]]}},"URL":"https:\/\/doi.org\/10.37236\/12423","relation":{},"ISSN":["1077-8926"],"issn-type":[{"value":"1077-8926","type":"electronic"}],"subject":[],"published":{"date-parts":[[2025,4,25]]},"article-number":"P2.18"}}