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{"title":"类似基尔霍夫方程的非微观解的不存在性","authors":"Christopher Goodrich","doi":"10.1090/bproc/224","DOIUrl":null,"url":null,"abstract":"<p>Subject to given boundary data, nonexistence of solution to the one-dimensional Kirchhoff-like equation <disp-formula content-type=\"math/mathml\">\n<mml:math xmlns:mml=\"http://www.w3.org/1998/Math/MathML\" alttext=\"minus upper M left-parenthesis left-parenthesis a asterisk StartAbsoluteValue u EndAbsoluteValue Superscript q Baseline right-parenthesis left-parenthesis 1 right-parenthesis right-parenthesis u left-parenthesis t right-parenthesis equals lamda f left-parenthesis t comma u left-parenthesis t right-parenthesis right-parenthesis comma 0 greater-than t greater-than 1\">\n <mml:semantics>\n <mml:mrow>\n <mml:mo>−</mml:mo>\n <mml:mi>M</mml:mi>\n <mml:mstyle scriptlevel=\"0\">\n <mml:mrow class=\"MJX-TeXAtom-ORD\">\n <mml:mo maxsize=\"1.623em\" minsize=\"1.623em\">(</mml:mo>\n </mml:mrow>\n </mml:mstyle>\n <mml:mstyle scriptlevel=\"0\">\n <mml:mrow class=\"MJX-TeXAtom-ORD\">\n <mml:mo maxsize=\"1.2em\" minsize=\"1.2em\">(</mml:mo>\n </mml:mrow>\n </mml:mstyle>\n <mml:mi>a</mml:mi>\n <mml:mo>∗</mml:mo>\n <mml:mrow class=\"MJX-TeXAtom-ORD\">\n <mml:mo stretchy=\"false\">|</mml:mo>\n </mml:mrow>\n <mml:mi>u</mml:mi>\n <mml:msup>\n <mml:mrow class=\"MJX-TeXAtom-ORD\">\n <mml:mo stretchy=\"false\">|</mml:mo>\n </mml:mrow>\n <mml:mi>q</mml:mi>\n </mml:msup>\n <mml:mstyle scriptlevel=\"0\">\n <mml:mrow class=\"MJX-TeXAtom-ORD\">\n <mml:mo maxsize=\"1.2em\" minsize=\"1.2em\">)</mml:mo>\n </mml:mrow>\n </mml:mstyle>\n <mml:mo stretchy=\"false\">(</mml:mo>\n <mml:mn>1</mml:mn>\n <mml:mo stretchy=\"false\">)</mml:mo>\n <mml:mstyle scriptlevel=\"0\">\n <mml:mrow class=\"MJX-TeXAtom-ORD\">\n <mml:mo maxsize=\"1.623em\" minsize=\"1.623em\">)</mml:mo>\n </mml:mrow>\n </mml:mstyle>\n <mml:mi>u</mml:mi>\n <mml:mo stretchy=\"false\">(</mml:mo>\n <mml:mi>t</mml:mi>\n <mml:mo stretchy=\"false\">)</mml:mo>\n <mml:mo>=</mml:mo>\n <mml:mi>λ</mml:mi>\n <mml:mi>f</mml:mi>\n <mml:mstyle scriptlevel=\"0\">\n <mml:mrow class=\"MJX-TeXAtom-ORD\">\n <mml:mo maxsize=\"1.2em\" minsize=\"1.2em\">(</mml:mo>\n </mml:mrow>\n </mml:mstyle>\n <mml:mi>t</mml:mi>\n <mml:mo>,</mml:mo>\n <mml:mi>u</mml:mi>\n <mml:mo stretchy=\"false\">(</mml:mo>\n <mml:mi>t</mml:mi>\n <mml:mo stretchy=\"false\">)</mml:mo>\n <mml:mstyle scriptlevel=\"0\">\n <mml:mrow class=\"MJX-TeXAtom-ORD\">\n <mml:mo maxsize=\"1.2em\" minsize=\"1.2em\">)</mml:mo>\n </mml:mrow>\n </mml:mstyle>\n <mml:mo>,</mml:mo>\n <mml:mtext> </mml:mtext>\n <mml:mn>0</mml:mn>\n <mml:mo>></mml:mo>\n <mml:mi>t</mml:mi>\n <mml:mo>></mml:mo>\n <mml:mn>1</mml:mn>\n </mml:mrow>\n <mml:annotation encoding=\"application/x-tex\">\\begin{equation*} -M\\Big (\\big (a*|u|^q\\big )(1)\\Big )u(t)=\\lambda f\\big (t,u(t)\\big ),\\ 0>t>1 \\end{equation*}</mml:annotation>\n </mml:semantics>\n</mml:math>\n</disp-formula>\n is considered. In particular, a condition is provided on the parameter <inline-formula content-type=\"math/mathml\">\n<mml:math xmlns:mml=\"http://www.w3.org/1998/Math/MathML\" alttext=\"lamda\">\n <mml:semantics>\n <mml:mi>λ</mml:mi>\n <mml:annotation encoding=\"application/x-tex\">\\lambda</mml:annotation>\n </mml:semantics>\n</mml:math>\n</inline-formula> such that for each <inline-formula content-type=\"math/mathml\">\n<mml:math xmlns:mml=\"http://www.w3.org/1998/Math/MathML\" alttext=\"lamda greater-than lamda 0\">\n <mml:semantics>\n <mml:mrow>\n <mml:mi>λ</mml:mi>\n <mml:mo>></mml:mo>\n <mml:msub>\n <mml:mi>λ</mml:mi>\n <mml:mn>0</mml:mn>\n </mml:msub>\n </mml:mrow>\n <mml:annotation encoding=\"application/x-tex\">\\lambda >\\lambda _0</mml:annotation>\n </mml:semantics>\n</mml:math>\n</inline-formula>, where <inline-formula content-type=\"math/mathml\">\n<mml:math xmlns:mml=\"http://www.w3.org/1998/Math/MathML\" alttext=\"lamda 0\">\n <mml:semantics>\n <mml:msub>\n <mml:mi>λ</mml:mi>\n <mml:mn>0</mml:mn>\n </mml:msub>\n <mml:annotation encoding=\"application/x-tex\">\\lambda _0</mml:annotation>\n </mml:semantics>\n</mml:math>\n</inline-formula> is defined in terms of initial data, the boundary value problem has no nontrivial positive solution.</p>","PeriodicalId":106316,"journal":{"name":"Proceedings of the American Mathematical Society, Series B","volume":"87 2","pages":""},"PeriodicalIF":0.0000,"publicationDate":"2024-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Nonexistence of nontrivial solutions to Kirchhoff-like equations\",\"authors\":\"Christopher Goodrich\",\"doi\":\"10.1090/bproc/224\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<p>Subject to given boundary data, nonexistence of solution to the one-dimensional Kirchhoff-like equation <disp-formula content-type=\\\"math/mathml\\\">\\n<mml:math xmlns:mml=\\\"http://www.w3.org/1998/Math/MathML\\\" alttext=\\\"minus upper M left-parenthesis left-parenthesis a asterisk StartAbsoluteValue u EndAbsoluteValue Superscript q Baseline right-parenthesis left-parenthesis 1 right-parenthesis right-parenthesis u left-parenthesis t right-parenthesis equals lamda f left-parenthesis t comma u left-parenthesis t right-parenthesis right-parenthesis comma 0 greater-than t greater-than 1\\\">\\n <mml:semantics>\\n <mml:mrow>\\n <mml:mo>−</mml:mo>\\n <mml:mi>M</mml:mi>\\n <mml:mstyle scriptlevel=\\\"0\\\">\\n <mml:mrow class=\\\"MJX-TeXAtom-ORD\\\">\\n <mml:mo maxsize=\\\"1.623em\\\" minsize=\\\"1.623em\\\">(</mml:mo>\\n </mml:mrow>\\n </mml:mstyle>\\n <mml:mstyle scriptlevel=\\\"0\\\">\\n <mml:mrow class=\\\"MJX-TeXAtom-ORD\\\">\\n <mml:mo maxsize=\\\"1.2em\\\" minsize=\\\"1.2em\\\">(</mml:mo>\\n </mml:mrow>\\n </mml:mstyle>\\n <mml:mi>a</mml:mi>\\n <mml:mo>∗</mml:mo>\\n <mml:mrow class=\\\"MJX-TeXAtom-ORD\\\">\\n <mml:mo stretchy=\\\"false\\\">|</mml:mo>\\n </mml:mrow>\\n <mml:mi>u</mml:mi>\\n <mml:msup>\\n <mml:mrow class=\\\"MJX-TeXAtom-ORD\\\">\\n <mml:mo stretchy=\\\"false\\\">|</mml:mo>\\n </mml:mrow>\\n <mml:mi>q</mml:mi>\\n </mml:msup>\\n <mml:mstyle scriptlevel=\\\"0\\\">\\n <mml:mrow class=\\\"MJX-TeXAtom-ORD\\\">\\n <mml:mo maxsize=\\\"1.2em\\\" minsize=\\\"1.2em\\\">)</mml:mo>\\n </mml:mrow>\\n </mml:mstyle>\\n <mml:mo stretchy=\\\"false\\\">(</mml:mo>\\n <mml:mn>1</mml:mn>\\n <mml:mo stretchy=\\\"false\\\">)</mml:mo>\\n <mml:mstyle scriptlevel=\\\"0\\\">\\n <mml:mrow class=\\\"MJX-TeXAtom-ORD\\\">\\n <mml:mo maxsize=\\\"1.623em\\\" minsize=\\\"1.623em\\\">)</mml:mo>\\n </mml:mrow>\\n </mml:mstyle>\\n <mml:mi>u</mml:mi>\\n <mml:mo stretchy=\\\"false\\\">(</mml:mo>\\n <mml:mi>t</mml:mi>\\n <mml:mo stretchy=\\\"false\\\">)</mml:mo>\\n <mml:mo>=</mml:mo>\\n <mml:mi>λ</mml:mi>\\n <mml:mi>f</mml:mi>\\n <mml:mstyle scriptlevel=\\\"0\\\">\\n <mml:mrow class=\\\"MJX-TeXAtom-ORD\\\">\\n <mml:mo maxsize=\\\"1.2em\\\" minsize=\\\"1.2em\\\">(</mml:mo>\\n </mml:mrow>\\n </mml:mstyle>\\n <mml:mi>t</mml:mi>\\n <mml:mo>,</mml:mo>\\n <mml:mi>u</mml:mi>\\n <mml:mo stretchy=\\\"false\\\">(</mml:mo>\\n <mml:mi>t</mml:mi>\\n <mml:mo stretchy=\\\"false\\\">)</mml:mo>\\n <mml:mstyle scriptlevel=\\\"0\\\">\\n <mml:mrow class=\\\"MJX-TeXAtom-ORD\\\">\\n <mml:mo maxsize=\\\"1.2em\\\" minsize=\\\"1.2em\\\">)</mml:mo>\\n </mml:mrow>\\n </mml:mstyle>\\n <mml:mo>,</mml:mo>\\n <mml:mtext> </mml:mtext>\\n <mml:mn>0</mml:mn>\\n <mml:mo>></mml:mo>\\n <mml:mi>t</mml:mi>\\n <mml:mo>></mml:mo>\\n <mml:mn>1</mml:mn>\\n </mml:mrow>\\n <mml:annotation encoding=\\\"application/x-tex\\\">\\\\begin{equation*} -M\\\\Big (\\\\big (a*|u|^q\\\\big )(1)\\\\Big )u(t)=\\\\lambda f\\\\big (t,u(t)\\\\big ),\\\\ 0>t>1 \\\\end{equation*}</mml:annotation>\\n </mml:semantics>\\n</mml:math>\\n</disp-formula>\\n is considered. In particular, a condition is provided on the parameter <inline-formula content-type=\\\"math/mathml\\\">\\n<mml:math xmlns:mml=\\\"http://www.w3.org/1998/Math/MathML\\\" alttext=\\\"lamda\\\">\\n <mml:semantics>\\n <mml:mi>λ</mml:mi>\\n <mml:annotation encoding=\\\"application/x-tex\\\">\\\\lambda</mml:annotation>\\n </mml:semantics>\\n</mml:math>\\n</inline-formula> such that for each <inline-formula content-type=\\\"math/mathml\\\">\\n<mml:math xmlns:mml=\\\"http://www.w3.org/1998/Math/MathML\\\" alttext=\\\"lamda greater-than lamda 0\\\">\\n <mml:semantics>\\n <mml:mrow>\\n <mml:mi>λ</mml:mi>\\n <mml:mo>></mml:mo>\\n <mml:msub>\\n <mml:mi>λ</mml:mi>\\n <mml:mn>0</mml:mn>\\n </mml:msub>\\n </mml:mrow>\\n <mml:annotation encoding=\\\"application/x-tex\\\">\\\\lambda >\\\\lambda _0</mml:annotation>\\n </mml:semantics>\\n</mml:math>\\n</inline-formula>, where <inline-formula content-type=\\\"math/mathml\\\">\\n<mml:math xmlns:mml=\\\"http://www.w3.org/1998/Math/MathML\\\" alttext=\\\"lamda 0\\\">\\n <mml:semantics>\\n <mml:msub>\\n <mml:mi>λ</mml:mi>\\n <mml:mn>0</mml:mn>\\n </mml:msub>\\n <mml:annotation encoding=\\\"application/x-tex\\\">\\\\lambda _0</mml:annotation>\\n </mml:semantics>\\n</mml:math>\\n</inline-formula> is defined in terms of initial data, the boundary value problem has no nontrivial positive solution.</p>\",\"PeriodicalId\":106316,\"journal\":{\"name\":\"Proceedings of the American Mathematical Society, Series B\",\"volume\":\"87 2\",\"pages\":\"\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2024-07-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Proceedings of the American Mathematical Society, Series B\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1090/bproc/224\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Proceedings of the American Mathematical Society, Series B","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1090/bproc/224","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
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