{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,11,25]],"date-time":"2025-11-25T22:26:31Z","timestamp":1764109591821,"version":"3.46.0"},"reference-count":0,"publisher":"University of Calgary","issue":"4","license":[{"start":{"date-parts":[[2025,1,16]],"date-time":"2025-01-16T00:00:00Z","timestamp":1736985600000},"content-version":"unspecified","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by-nd\/4.0"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Contrib Discrete Math"],"abstract":"<jats:p>A necessary condition for a $\\mathbb{Z_4}$-code to be a three-weight code for the Lee weight is given. Two special constructions of three-weight codes over $\\mathbb{Z_4}$\u00a0are derived. The coset graphs of their duals are shown to be strongly 3-walk-regular, a generalization of strongly regular graphs.<\/jats:p>","DOI":"10.55016\/ojs\/cdm.v19i4.70236","type":"journal-article","created":{"date-parts":[[2025,11,8]],"date-time":"2025-11-08T16:47:38Z","timestamp":1762620458000},"page":"54-63","source":"Crossref","is-referenced-by-count":0,"title":["Two families of strongly walk regular graphs from three-weight codes over $\\mathbb{Z_4}$"],"prefix":"10.55016","volume":"19","author":[{"given":"Minjia","family":"Shi","sequence":"first","affiliation":[]},{"given":"Wenjun","family":"Xu","sequence":"additional","affiliation":[]},{"given":"Xuan","family":"Wang","sequence":"additional","affiliation":[]},{"given":"Yue","family":"Cheng","sequence":"additional","affiliation":[]},{"given":"Huazhang","family":"Wu","sequence":"additional","affiliation":[]},{"given":"Patrick","family":"Sol\u00e9","sequence":"additional","affiliation":[]}],"member":"13844","published-online":{"date-parts":[[2025,1,16]]},"container-title":["Contributions to Discrete Mathematics"],"original-title":[],"link":[{"URL":"https:\/\/cdm.ucalgary.ca\/article\/download\/70236\/57958","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/cdm.ucalgary.ca\/article\/download\/70236\/57958","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2025,11,25]],"date-time":"2025-11-25T22:21:58Z","timestamp":1764109318000},"score":1,"resource":{"primary":{"URL":"https:\/\/cdm.ucalgary.ca\/article\/view\/70236"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2025,1,16]]},"references-count":0,"journal-issue":{"issue":"4","published-online":{"date-parts":[[2025,1,16]]}},"URL":"https:\/\/doi.org\/10.55016\/ojs\/cdm.v19i4.70236","relation":{},"ISSN":["1715-0868"],"issn-type":[{"type":"electronic","value":"1715-0868"}],"subject":[],"published":{"date-parts":[[2025,1,16]]}}}