List of Publications のバックアップの現在との差分(No.93)

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 [[MathSciNet for K.Umezu:http://www.ams.org/mathscinet/search/author.html?mrauthid=316996]] (available only for subscribers)
 [[論文:https://researchmap.jp/read0051534/published_papers]]
 
 //[[論文:https://info.ibaraki.ac.jp/Profiles/17/0001645/detail.html?lang=ja&achievement=ronbun]]（茨城大学研究者情報総覧）
 
 * Publications with Peer Review [#y73bcd2b]
 ** Journal Articles [#zdf1a0e0]
 //https://info.ibaraki.ac.jp/Profiles/17/0001645/theses1.html]]
 
 + U. Kaufmann, H. Ramos Quoirin and %%%K. Umezu%%%, Positivity results for indefinite sublinear elliptic problems via a continuity argument, '''Journal of Differential Equations''', (2017), in press. &br;
 DOI: [[10.1016/j.jde.2017.05.021:http://dx.doi.org/10.1016/j.jde.2017.05.021]] 
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 + H. Ramos Quoirin and %%%K. Umezu%%%, An indefinite concave-convex equation under a Neumann boundary condition II, '''Topological Methods in Nonlinear Analysis''', (2017), online first. &br; DOI: [[10.12775/TMNA.2017.007:http://dx.doi.org/10.12775/TMNA.2017.007]] 
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 + H. Ramos Quoirin and %%%K. Umezu%%%, An indefinite concave-convex equation under a Neumann boundary condition I, '''Israel Journal of Mathematics''', ''220''(1), (2017), 103-160. &br; DOI: [[10.1007/s11856-017-1512-0:http://dx.doi.org/10.1007/s11856-017-1512-0]] 
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 + H. Ramos Quoirin and %%%K. Umezu%%%, An elliptic equation with an indefinite sublinear boundary condition, '''Advances in Nonlinear Analysis''', (2016), published online. &br; DOI: [[10.1515/anona-2016-0023:http://dx.doi.org/10.1515/anona-2016-0023]]
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 + H. Ramos Quoirin and %%%K. Umezu%%%, Positive steady states of an indefinite equation with a nonlinear boundary condition: existence, multiplicity and asymptotic profiles, '''Calculus of Variations and Partial Differential Equations''', (2016), first online. &br; DOI: [[10.1007/s00526-016-1033-4:http://dx.doi.org/10.1007/s00526-016-1033-4]]
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 + H. Ramos Quoirin and %%%K. Umezu%%%, On a concave-convex elliptic problem with a nonlinear boundary condition, '''Annali di Matematica Pura ed Applicata''' ''195'', (2016), 1833-1863. &br; DOI: [[10.1007/s10231-015-0531-x:http://dx.doi.org/10.1007/s10231-015-0531-x]] 
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 + H. Ramos Quoirin and %%%K. Umezu%%%, Bifurcation for a logistic elliptic equation with nonlinear boundary conditions: A limiting case, '''J. Math. Anal. Appl.''' ''428'', (2015), 1265-1285. &br; DOI: [[10.1016/j.jmaa.2015.04.005:http://dx.doi.org/10.1016/j.jmaa.2015.04.005]]
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 + H. Ramos Quoirin and %%%K. Umezu%%%, The effect of indefinite nonlinear boundary conditions on the structure of the positive solutions set of a logistic equation, '''J. Differential Equations''' ''257'', (2014), 3935-3977. &br; DOI: [[10.1016/j.jde.2014.07.016:http://dx.doi.org/10.1016/j.jde.2014.07.016]]
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 + K. Umezu, Global structure of supercritical bifurcation with turning points for the logistic elliptic equation with nonlinear boundary conditions, '''Nonlinear Analysis''', ''89'', (2013), 250-266. &br; DOI: [[10.1016/j.na.2013.05.011:http://dx.doi.org/10.1016/j.na.2013.05.011]]
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 + K. Umezu, Bifurcation approach to a logistic elliptic equation with a homogeneous incoming flux boundary condition, '''J. Differential Equations''', ''252'', (2012), 1146-1168. &br; DOI: [[10.1016/j.jde.2011.08.043:http://dx.doi.org/10.1016/j.jde.2011.08.043]]
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 + K. Umezu, Global bifurcation results for 
 semilinear elliptic boundary value problems with indefinite weights 
 and nonlinear boundary conditions, '''Nonlinear Differential Equations Appl. NoDEA''', ''17''(3), (2010), 323-336.  &br; DOI: [[10.1007/s00030-010-0056-3:http://dx.doi.org/10.1007/s00030-010-0056-3]]
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 + K. Umezu, Blowing-up properties of the positive 
 principal eigenvalue for indefinite Robin-type boundary 
 conditions, '''Rocky Mountain J. Math.''', ''40''(2), (2010), 673-694. &br; DOI: [[10.1216/RMJ-2010-40-2-673:http://dx.doi.org/10.1216/RMJ-2010-40-2-673]]
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 + K. Umezu, Positive solutions of semilinear elliptic eigenvalue problems with concave nonlinearities, '''Advances in Differential Equations''', ''12''(12), (2007), 1415-1436. &br; http://projecteuclid.org/euclid.ade/1355867408
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 + K. Umezu, Blowing-up of principal eigenvalues for Neumann boundary conditions, '''Proc. Roy. Soc. Edinburgh Sect. A''', ''137''(3), (2007), 567-579. &br; DOI: [[10.1017/S0308210506000060:http://dx.doi.org/10.1017/S0308210506000060]]
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 + K. Umezu, On eigenvalue problems with Robin type boundary conditions having indefinite coefficients, '''Applicable Analysis''', ''85''(11), (2006), 1313-1325. &br; DOI: [[10.1080/00036810500337860:http://dx.doi.org/10.1080/00036810500337860]]
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 + K. Umezu, Multiplicity of positive solutions under nonlinear boundary conditions for diffusive logistic equations, '''Proc. Edinburgh Math. Soc.''', ''47''(2), (2004), 495-512. &br; DOI: [[10.1017/S0013091503000294:http://dx.doi.org/10.1017/S0013091503000294]]
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 + K. Umezu, Local bifurcation analysis and stability of steady-state solutions of diffusive logistic equations with nonlinear boundary conditions, [['''Communications in Applied Analysis''':http://www.dynamicpublishers.org/journals/index.php/CAA]], ''8''(4), (2004), 533-547.
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 + K. Umezu, Behavior and stability of positive solutions of nonlinear elliptic boundary value problems arising in population dynamics, '''Nonlinear Anal.''', ''49''(6), (2002), 817-840. &br; DOI: [[10.1016/S0362-546X(01)00142-0:http://dx.doi.org/10.1016/S0362-546X(01)00142-0]]
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 + K. Umezu, Bifurcation from infinity for asymptotically linear elliptic eigenvalue problems, '''J. Math. Anal. Appl.''', ''267''(2), (2002), 651-664. &br; DOI: [[10.1006/jmaa.2001.7799:http://dx.doi.org/10.1006/jmaa.2001.7799]]
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 + K. Umezu, Nonlinear elliptic boundary value problems suggested by fermentation, '''Nonlinear Differential Equations Appl.(NoDEA)''', ''7''(2),  (2000), 143-155. &br; DOI: [[10.1007/s000300050002:http://dx.doi.org/10.1007/s000300050002]]
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 + K. Umezu, Global positive solution branches of positone problems with nonlinear boundary conditions, '''Differential Integral Equations''', ''13''(4-6), (2000), 669-686. &br; http://projecteuclid.org/euclid.die/1356061244
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 + K. Umezu, 
 Multiplicity of positive solutions to semilinear elliptic 
 boundary value problems, '''Abstr. Appl. Anal.''', ''4''(3), (1999), 195-208. &br; DOI: [[10.1155/S1085337599000147:http://dx.doi.org/10.1155/S1085337599000147]]
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 + K. Umezu, Positive solutions of a forced nonlinear elliptic boundary value problem, '''J. Math. Soc. Japan''', ''51''(4), (1999), 801-815. &br; DOI: [[10.2969/jmsj/05140801:http://dx.doi.org/10.2969/jmsj/05140801]]  &nbsp; Downloadable [[pdf:http://projecteuclid.org/DPubS/Repository/1.0/Disseminate?view=body&id=pdf_1&handle=euclid.jmsj/1213107823]]
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 + %%%K. Umezu%%% and K. Taira, Growing-up positive solutions of semilinear elliptic boundary value problems, '''J. Math. Anal. Appl.''', ''238''(1), (1999), 196-215. &br; DOI: [[10.1006/jmaa.1999.6522:http://dx.doi.org/10.1006/jmaa.1999.6522]] 
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 + K. Taira and %%%K. Umezu%%%, Semilinear elliptic boundary value problems in chemical reactor theory, '''J. Differential Equations''', ''142''(2), (1998), 434-454. &br; DOI: [[10.1006/jdeq.1997.3349:http://dx.doi.org/10.1006/jdeq.1997.3349]] 
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 + K. Taira and %%%K. Umezu%%%, Positive solutions of sublinear elliptic boundary value problems, '''Nonlinear Anal.''', ''29''(7), (1997), 761-771. &br; DOI: [[10.1016/S0362-546X(96)00059-4:http://dx.doi.org/10.1016/S0362-546X(96)00059-4]] 
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 + K. Taira and %%%K. Umezu%%%, Bifurcation for nonlinear elliptic boundary value problems II, '''[[Tokyo J. Math.:http://www.tokyojm.jp/]]''', ''19''(2),  (1996), 387-396. &br; DOI: [[10.3836/tjm/1270042527:http://dx.doi.org/10.3836/tjm/1270042527]] &nbsp; Downloadable [[pdf:http://projecteuclid.org/DPubS/Repository/1.0/Disseminate?view=body&id=pdf_1&handle=euclid.tjm/1270042527]]
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 + K. Taira and %%%K. Umezu%%%, Bifurcation for nonlinear elliptic boundary value problems III, '''Advances in Differential Equations''', ''1''(4), (1996), 709-727. &br; http://projecteuclid.org/euclid.ade/1366896034
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 + K. Umezu, L^p-approach to mixed boundary value problems for second-order elliptic operators, '''[[Tokyo J. Math.:http://www.tokyojm.jp/]]''', 
 ''17''(1), (1994), 101-123. &br; DOI: [[10.3836/tjm/1270128189:http://dx.doi.org/10.3836/tjm/1270128189]] &nbsp; Downloadable [[pdf:http://projecteuclid.org/DPubS/Repository/1.0/Disseminate?view=body&id=pdf_1&handle=euclid.tjm/1270128189]]
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 + K. Umezu, On the Cauchy problem for analytic semigroups with weak singularity, '''[[Tsukuba J. Math.:http://www.math.tsukuba.ac.jp/~journal/tjm/tjm.html]]''', ''15''(2),  (1991), 275-292. &br;  http://hdl.handle.net/2241/7186
 [[MathSciNet for K.Umezu:https://mathscinet.ams.org/mathscinet/author?authorId=316996]]
 // http://www.ams.org/mathscinet/search/author.html?mrauthid=316996]]
 
 [[zbMATH Open for K.Umezu:https://zbmath.org/authors/?q=kenichiro+umezu]]
 
 
 
 
 
 
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 ** Articles in Conference Proceedings [#ceb50aac]
 + K. Umezu, '''Non-existence of positive solutions for diffusive logistic equations with nonlinear boundary conditions''', Progress in Nonlinear Differential Equations and Their Applications, Vol.64, 497-507, Birkhauser, Basel/Switzerland, 2005. &br; DOI: [[10.1007/3-7643-7385-7_29:http://dx.doi.org/10.1007/3-7643-7385-7_29]] 
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 + K. Umezu, '''One parameter-dependent nonlinear elliptic boundary value problems arising in population dynamics''', Advances in analysis, 177--186, World Sci. Publ., Hackensack, NJ, 2005. &br; DOI: [[10.1142/9789812701732_0013:http://dx.doi.org/10.1142/9789812701732_0013]]
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 + K. Umezu, '''Bifurcation analysis in diffusive logistic equations with nonlinear boundary conditions''', Progress in analysis, Vol. I, II (Berlin, 2001), 1135--1141, World Sci. Publishing, River Edge, NJ, 2003. &br; DOI: [[10.1142/9789812794253_0131:http://dx.doi.org/10.1142/9789812794253_0131]]
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 + K. Umezu, '''Bifurcation in population dynamics''', Elliptic and parabolic problems (Rolduc/Gaeta, 2001), 485-493, World Sci. Publishing, River Edge, NJ, 2002. &br; DOI: [[10.1142/9789812777201_0046:http://dx.doi.org/10.1142/9789812777201_0046]]
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 + K. Taira and %%%K. Umezu%%%, '''Stability in chemical reactor theory''', [[Evolution equations and their applications in physical and life sciences:http://www.amazon.co.jp/Evolution-Equations-Applications-Physical-Sciences/dp/0824790103/ref=sr_1_1?ie=UTF8&s=english-books&qid=1242491122&sr=1-1]] (Bad Herrenalb, 1998), 421-433, Lecture Notes in Pure and Appl. Math., 215, Dekker, New York, 2001.
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 + K. Umezu, 
 '''Bifurcation and stability for diffusive logistic equations with nonlinear boundary conditions''', [[Nonlinear Boundary-Value Problems:http://iamm.ac.donetsk.ua/en/journals/j960/]], ''10'', IAMM of NAS of Ukraine, Donetsk, Ukraine, (2000), 193-198.
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 + %%%K. Umezu%%% and K. Taira, '''Positive solutions of semilinear elliptic boundary value problems in chemical reactor theory''', [[Direct and inverse problems of mathematical physics (Newark, DE, 1997):http://www.amazon.co.jp/Problems-Mathematical-International-Applications-Computation/dp/0792360052/ref=sr_1_1?ie=UTF8&s=english-books&qid=1242491015&sr=1-1]], 415-422, Int. Soc. Anal. Appl. Comput., 5, Kluwer Acad. Publ., Dordrecht, 2000. &br; DOI: [[10.1007/978-1-4757-3214-6_24:http://dx.doi.org/10.1007/978-1-4757-3214-6_24]]
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 * Publications without peer review [#x49dfe34]
 
 + H. Ramos Quoirin and %%%K. Umezu%%%, An indefinite superlinear elliptic equation with a nonlinear boundary condition of sublinear type, Shapes and other properties of solutions of PDEs (Kyoto, 2015), Surikaisekikenkyusho Kokyuroku No.2006, (Nov. 2016), 68- (21 pages). 
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 + K. Umezu, 
 Stationary solutions of diffusive logistic equations with nonlinear 
 boundary conditions and large diffusion, 
 Seminar Notes of Mathematical Sciences, ''8'', Ibaraki Univ., (2005), 
 93-99.
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 + K. Umezu, 
 Nonlinear elliptic boundary value problems arising 
 in population genetics, 
 Bull. Maebashi Inst. Technology, ''3'', (2000), 93-96.
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 + K. Umezu, 
 Study on a semilinear elliptic boundary value 
 problem arising in chemical reactor theory (Japanese), 
 Bull. Maebashi Inst. Technology, ''1'', (1998), 97-102.
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 + %%%K. Umezu%%% and K. Taira, 
 Semilinear elliptic boundary value problems in chemical 
 reactor theory (Japanese), 
 Variational problems and related topics (Japanese) (Kyoto, 1997), 
 Surikaisekikenkyusho Kokyuroku No.1025, (Feb.1998), 99-117.
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