{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2024,5,4]],"date-time":"2024-05-04T00:30:15Z","timestamp":1714782615683},"reference-count":35,"publisher":"EDP Sciences","issue":"2","license":[{"start":{"date-parts":[[2024,5,3]],"date-time":"2024-05-03T00:00:00Z","timestamp":1714694400000},"content-version":"vor","delay-in-days":63,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["RAIRO-Oper. Res."],"accepted":{"date-parts":[[2024,3,17]]},"published-print":{"date-parts":[[2024,3]]},"abstract":"<jats:p>A spanning subgraph <jats:italic>F<\/jats:italic> of <jats:italic>G<\/jats:italic> is called a path factor if every component of <jats:italic>F<\/jats:italic> is a path of order at least 2. Let <jats:italic>k<\/jats:italic> \u2265 2 be an integer. A <jats:italic>P<\/jats:italic><jats:sub>\u2265<jats:italic>k<\/jats:italic><\/jats:sub>-factor of <jats:italic>G<\/jats:italic> means a path factor in which every component has at least <jats:italic>k<\/jats:italic> vertices. A graph <jats:italic>G<\/jats:italic> is called a <jats:italic>P<\/jats:italic><jats:sub>\u2265<jats:italic>k<\/jats:italic><\/jats:sub>-factor avoidable graph if for any <jats:italic>e<\/jats:italic> \u2208 <jats:italic>E<\/jats:italic>(<jats:italic>G<\/jats:italic>), <jats:italic>G<\/jats:italic> has a <jats:italic>P<\/jats:italic><jats:sub>\u2265<jats:italic>k<\/jats:italic><\/jats:sub>-factor avoiding <jats:italic>e<\/jats:italic>. A graph <jats:italic>G<\/jats:italic> is called a (<jats:italic>P<\/jats:italic><jats:sub>\u2265<jats:italic>k<\/jats:italic><\/jats:sub>, <jats:italic>n<\/jats:italic>)-factor critical avoidable graph if for any <jats:italic>W<\/jats:italic> \u2286 <jats:italic>V<\/jats:italic> (<jats:italic>G<\/jats:italic>) with <jats:italic>|W|<\/jats:italic> = <jats:italic>n<\/jats:italic>, <jats:italic>G<\/jats:italic> \u2212 <jats:italic>W<\/jats:italic> is a <jats:italic>P<\/jats:italic><jats:sub>\u2265<jats:italic>k<\/jats:italic><\/jats:sub>-factor avoidable graph. In other words, <jats:italic>G<\/jats:italic> is (<jats:italic>P<\/jats:italic><jats:sub>\u2265<jats:italic>k<\/jats:italic><\/jats:sub>, <jats:italic>n<\/jats:italic>)-factor critical avoidable if for any <jats:italic>W<\/jats:italic> \u2286 <jats:italic>V<\/jats:italic> (<jats:italic>G<\/jats:italic>) with <jats:italic>|W|<\/jats:italic> = <jats:italic>n<\/jats:italic> and any <jats:italic>e<\/jats:italic> \u2208 <jats:italic>E<\/jats:italic>(<jats:italic>G<\/jats:italic> \u2212 <jats:italic>W<\/jats:italic> ), <jats:italic>G<\/jats:italic> \u2212 <jats:italic>W<\/jats:italic> \u2212 <jats:italic>e<\/jats:italic> admits a <jats:italic>P<\/jats:italic><jats:sub>\u2265<jats:italic>k<\/jats:italic><\/jats:sub>-factor. In this article, we verify that (i) an (<jats:italic>n<\/jats:italic> + <jats:italic>r<\/jats:italic> + 2)-connected graph <jats:italic>G<\/jats:italic> is (<jats:italic>P<\/jats:italic><jats:sub>\u22652<\/jats:sub>, <jats:italic>n<\/jats:italic>)-factor critical avoidable if <jats:italic>I<\/jats:italic>(<jats:italic>G<\/jats:italic>)&gt;(<jats:italic>n<\/jats:italic>+<jats:italic>r<\/jats:italic>+2)\/(2(<jats:italic>r<\/jats:italic>+2)) ; (ii) an (<jats:italic>n<\/jats:italic> + <jats:italic>r<\/jats:italic> + 2)-connected graph <jats:italic>G<\/jats:italic> is (<jats:italic>P<\/jats:italic><jats:sub>\u22653<\/jats:sub>, <jats:italic>n<\/jats:italic>)-factor critical avoidable if <jats:italic>t<\/jats:italic>(<jats:italic>G<\/jats:italic>)&gt;(<jats:italic>n<\/jats:italic>+<jats:italic>r<\/jats:italic>+2)\/(2(<jats:italic>r<\/jats:italic>+2)) ; (iii) an (<jats:italic>n<\/jats:italic> + <jats:italic>r<\/jats:italic> + 2)-connected graph <jats:italic>G<\/jats:italic> is (<jats:italic>P<\/jats:italic><jats:sub>\u22653<\/jats:sub>, <jats:italic>n<\/jats:italic>)-factor critical avoidable if <jats:italic>I<\/jats:italic>(<jats:italic>G<\/jats:italic>)&gt;(<jats:italic>n<\/jats:italic>+3(<jats:italic>r<\/jats:italic>+2))\/(2(<jats:italic>r<\/jats:italic>+2)) ; where <jats:italic>n<\/jats:italic> and <jats:italic>r<\/jats:italic> are two nonnegative integers.<\/jats:p>","DOI":"10.1051\/ro\/2024071","type":"journal-article","created":{"date-parts":[[2024,3,21]],"date-time":"2024-03-21T20:03:10Z","timestamp":1711051390000},"page":"2015-2027","source":"Crossref","is-referenced-by-count":0,"title":["Some existence theorems on path-factor critical avoidable graphs"],"prefix":"10.1051","volume":"58","author":[{"given":"Sizhong","family":"Zhou","sequence":"first","affiliation":[]},{"given":"Hongxia","family":"Liu","sequence":"additional","affiliation":[]}],"member":"250","published-online":{"date-parts":[[2024,5,3]]},"reference":[{"key":"R1","doi-asserted-by":"crossref","unstructured":"Ando K., Egawa Y., Kaneko A., Kawarabayashi K. and Matsuda H., Path factors in claw-free graphs. 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