Edit Profile (opens in new tab) Portilla, Ana Co-Author Distance Author ID: portilla.ana Published as: Portilla, Ana; Portilla, A. Documents Indexed: 38 Publications since 2004, including 2 Additional arXiv Preprints Co-Authors: 14 Co-Authors with 38 Joint Publications 210 Co-Co-Authors all top 5 Co-Authors 0 single-authored 35 Rodríguez García, José Manuel 27 Touris, Eva 10 Granados, Ana 7 Pestana, Domingo 6 Quintana, Yamilet 6 Sigarreta Almira, José María 5 Hästö, Peter A. 3 Carballosa, Walter 3 Gonzalo Pérez, Jesús 2 Cantón, Alicia 1 Álvarez, Venancio 1 Lindén, Henri 1 Méndez Bermúdez, José Antonio 1 Vilaire, Jean-Marie all top 5 Serials 2 Journal of Mathematical Analysis and Applications 2 Journal of Approximation Theory 2 Journal of the Mathematical Society of Japan 2 Mathematische Zeitschrift 2 Journal of Mathematical Chemistry 1 Rocky Mountain Journal of Mathematics 1 Bulletin of the London Mathematical Society 1 Geometriae Dedicata 1 Journal of the Korean Mathematical Society 1 Mathematische Nachrichten 1 Osaka Journal of Mathematics 1 Proceedings of the Edinburgh Mathematical Society. Series II 1 Publicationes Mathematicae Debrecen 1 Utilitas Mathematica 1 Acta Applicandae Mathematicae 1 Graphs and Combinatorics 1 Publicacions Matemàtiques 1 Differential Geometry and its Applications 1 The Journal of Geometric Analysis 1 Proceedings of the Royal Society of Edinburgh. Section A. Mathematics 1 ETNA. Electronic Transactions on Numerical Analysis 1 Revista Matemática Complutense 1 Hacettepe Journal of Mathematics and Statistics 1 Journal of Function Spaces and Applications 1 Mediterranean Journal of Mathematics 1 Complex Variables and Elliptic Equations 1 Journal of Advanced Mathematical Studies 1 Revista de la Real Academia de Ciencias Exactas, Físicas y Naturales. Serie A: Matemáticas. RACSAM 1 Symmetry 1 DML. Discrete Mathematics Letters all top 5 Fields 22 Functions of a complex variable (30-XX) 18 Differential geometry (53-XX) 8 Combinatorics (05-XX) 5 Functional analysis (46-XX) 4 Approximations and expansions (41-XX) 4 Biology and other natural sciences (92-XX) 2 Real functions (26-XX) 2 Potential theory (31-XX) 2 Several complex variables and analytic spaces (32-XX) 2 Special functions (33-XX) 1 Harmonic analysis on Euclidean spaces (42-XX) 1 Global analysis, analysis on manifolds (58-XX) Publications by Year all cited Publications top 5 cited Publications Citations contained in zbMATH Open 31 Publications have been cited 269 times in 84 Documents Cited by ▼ Year ▼ Gromov hyperbolicity through decomposition of metrics spaces. II. Zbl 1047.30028 Portilla, Ana; Rodríguez, José M.; Touris, Eva 41 2004 A characterization of Gromov hyperbolicity of surfaces with variable negative curvature. Zbl 1153.53320 Portilla, Ana; Tourís, Eva 35 2009 Gromov hyperbolic equivalence of the hyperbolic and quasihyperbolic metrics in Denjoy domains. Zbl 1195.30061 Hästö, Peter; Portilla, Ana; Rodríguez, José M.; Tourís, Eva 21 2010 Gromov hyperbolic tessellation graphs. Zbl 1339.05324 Portilla, A.; Rodriguez, José M.; Sigarreta, José M.; Vilaire, J. M. 17 2015 The topology of balls and Gromov hyperbolicity of Riemann surfaces. Zbl 1070.30019 Portilla, Ana; Rodríguez, José M.; Tourís, Eva 15 2004 Gromov hyperbolicity of Denjoy domains. Zbl 1115.53030 Alvarez, Venancio; Portilla, Ana; Rodriguez, Jose M.; Touris, Eva 15 2006 Gromov hyperbolicity of Denjoy domains with hyperbolic and quasihyperbolic metrics. Zbl 1262.30044 Hästö, Peter; Lindén, Henri; Portilla, Ana; Rodríguez, José M.; Tourís, Eva 14 2012 Stability of Gromov hyperbolicity. Zbl 1205.30039 Portilla, Ana; Rodríguez, José M.; Tourís, Eva 13 2009 Quasi-isometries and isoperimetric inequalities in planar domains. Zbl 1311.30016 Canton, Alicia; Granados, Ana; Portilla, Ana; Rodriguez, Jose M. 9 2015 The role of funnels and punctures in the Gromov hyperbolicity of Riemann surfaces. Zbl 1108.30031 Portilla, Ana; Rodríguez, José M.; Tourís, Eva 8 2006 Zero location and asymptotic behavior for extremal polynomials with non-diagonal Sobolev norms. Zbl 1225.33012 Portilla, Ana; Quintana, Yamilet; Rodríguez, José M.; Tourís, Eva 7 2010 Comparative Gromov hyperbolicity results for the hyperbolic and quasihyperbolic metrics. Zbl 1190.30030 Hästö, Peter; Portilla, Ana; Rodríguez, José M.; Tourís, Eva 7 2010 Weierstrass’ theorem with weights. Zbl 1045.41005 Portilla, Ana; Quintana, Yamilet; Rodríguez, José M.; Tourís, Eva 7 2004 Uniformly separated sets and Gromov hyperbolicity of domains with the quasihyperbolic metric. Zbl 1214.30035 Hästö, Peter; Portilla, Ana; Rodríguez, José M.; Tourís, Eva 6 2011 Stability of the volume growth rate under quasi-isometries. Zbl 1436.30037 Granados, Ana; Pestana, Domingo; Portilla, Ana; Rodríguez, José M.; Tourís, Eva 6 2020 Concerning asymptotic behavior for extremal polynomials associated to nondiagonal Sobolev norms. Zbl 1267.41008 Portilla, Ana; Quintana, Yamilet; Rodríguez, José M.; Tourís, Eva 6 2013 Stability of the injectivity radius under quasi-isometries and applications to isoperimetric inequalities. Zbl 1401.30051 Granados, Ana; Portilla, Ana; Pestana, Domingo; Rodriguez, Jose M.; Touris, Eva 6 2018 Structure theorem for Riemannian surfaces with arbitrary curvature. Zbl 1251.53022 Portilla, Ana; Rodríguez, Jose M.; Tourís, Eva 5 2012 The multiplication operator, zero location and asymptotic for non-diagonal Sobolev norms. Zbl 1200.33015 Portilla, Ana; Rodríguez, José M.; Tourís, Eva 5 2010 Weighted Weierstrass’ theorem with first derivatives. Zbl 1221.46028 Portilla, Ana; Quintana, Yamilet; Rodríguez, José M.; Tourís, Eva 4 2007 Relations between some topological indices and the line graph. Zbl 1432.92111 Carballosa, Walter; Granados, Ana; Pestana, Domingo; Portilla, Ana; Sigarreta, José M. 4 2020 Weierstrass’s theorem in weighted Sobolev spaces with \(k\) derivatives. Zbl 1177.41007 Portilla, Ana; Quintana, Yamilet; Rodriguez, José M.; Touris, Eva 3 2007 A real variable characterization of Gromov hyperbolicity of flute surfaces. Zbl 1259.53044 Portilla, Ana; Rodríguez, José M.; Tourís, Eva 3 2011 Recent lower bounds for geometric-arithmetic index. Zbl 1438.92105 Portilla, Ana; Rodríguez, José M.; Sigarreta, José M. 3 2019 Planarity and hyperbolicity in graphs. Zbl 1327.05257 Carballosa, Walter; Portilla, Ana; Rodríguez, José M.; Sigarreta, José M. 2 2015 Inequalities on the geometric-arithmetic index. Zbl 1488.05093 Granados, Ana; Portilla, Ana; Rodriguez, Jose M.; Sigarreta, Jose M. 2 2021 Weierstrass’ theorem in weighted Sobolev spaces with \(k\) derivatives: announcement of results. Zbl 1107.41007 Portilla, Ana; Quintana, Yamilet; Rodriguez, Jose M.; Touris, Eva 1 2006 Gromov hyperbolicity of Denjoy domains through fundamental domains. Zbl 1289.30219 Hästö, Peter; Portilla, Ana; Rodríguez, José M.; Tourís, Eva 1 2012 Computational properties of the arithmetic-geometric index. Zbl 1498.92326 Carballosa, Walter; Granados, Ana; Méndez Bermúdez, José Antonio; Pestana, Domingo; Portilla, Ana 1 2022 The topology of balls in Riemannian surfaces and Gromov hyperbolicity. Zbl 1323.53030 Gonzalo, Jesús; Portilla, Ana; Rodríguez, José M.; Tourís, Eva 1 2013 Stability of \(p\)-parabolicity under quasi-isometries. Zbl 1523.30055 Granados, Ana; Pestana, Domingo; Portilla, Ana; Rodríguez, José M. 1 2022 Computational properties of the arithmetic-geometric index. Zbl 1498.92326 Carballosa, Walter; Granados, Ana; Méndez Bermúdez, José Antonio; Pestana, Domingo; Portilla, Ana 1 2022 Stability of \(p\)-parabolicity under quasi-isometries. Zbl 1523.30055 Granados, Ana; Pestana, Domingo; Portilla, Ana; Rodríguez, José M. 1 2022 Inequalities on the geometric-arithmetic index. Zbl 1488.05093 Granados, Ana; Portilla, Ana; Rodriguez, Jose M.; Sigarreta, Jose M. 2 2021 Stability of the volume growth rate under quasi-isometries. Zbl 1436.30037 Granados, Ana; Pestana, Domingo; Portilla, Ana; Rodríguez, José M.; Tourís, Eva 6 2020 Relations between some topological indices and the line graph. Zbl 1432.92111 Carballosa, Walter; Granados, Ana; Pestana, Domingo; Portilla, Ana; Sigarreta, José M. 4 2020 Recent lower bounds for geometric-arithmetic index. Zbl 1438.92105 Portilla, Ana; Rodríguez, José M.; Sigarreta, José M. 3 2019 Stability of the injectivity radius under quasi-isometries and applications to isoperimetric inequalities. Zbl 1401.30051 Granados, Ana; Portilla, Ana; Pestana, Domingo; Rodriguez, Jose M.; Touris, Eva 6 2018 Gromov hyperbolic tessellation graphs. Zbl 1339.05324 Portilla, A.; Rodriguez, José M.; Sigarreta, José M.; Vilaire, J. M. 17 2015 Quasi-isometries and isoperimetric inequalities in planar domains. Zbl 1311.30016 Canton, Alicia; Granados, Ana; Portilla, Ana; Rodriguez, Jose M. 9 2015 Planarity and hyperbolicity in graphs. Zbl 1327.05257 Carballosa, Walter; Portilla, Ana; Rodríguez, José M.; Sigarreta, José M. 2 2015 Concerning asymptotic behavior for extremal polynomials associated to nondiagonal Sobolev norms. Zbl 1267.41008 Portilla, Ana; Quintana, Yamilet; Rodríguez, José M.; Tourís, Eva 6 2013 The topology of balls in Riemannian surfaces and Gromov hyperbolicity. Zbl 1323.53030 Gonzalo, Jesús; Portilla, Ana; Rodríguez, José M.; Tourís, Eva 1 2013 Gromov hyperbolicity of Denjoy domains with hyperbolic and quasihyperbolic metrics. Zbl 1262.30044 Hästö, Peter; Lindén, Henri; Portilla, Ana; Rodríguez, José M.; Tourís, Eva 14 2012 Structure theorem for Riemannian surfaces with arbitrary curvature. Zbl 1251.53022 Portilla, Ana; Rodríguez, Jose M.; Tourís, Eva 5 2012 Gromov hyperbolicity of Denjoy domains through fundamental domains. Zbl 1289.30219 Hästö, Peter; Portilla, Ana; Rodríguez, José M.; Tourís, Eva 1 2012 Uniformly separated sets and Gromov hyperbolicity of domains with the quasihyperbolic metric. Zbl 1214.30035 Hästö, Peter; Portilla, Ana; Rodríguez, José M.; Tourís, Eva 6 2011 A real variable characterization of Gromov hyperbolicity of flute surfaces. Zbl 1259.53044 Portilla, Ana; Rodríguez, José M.; Tourís, Eva 3 2011 Gromov hyperbolic equivalence of the hyperbolic and quasihyperbolic metrics in Denjoy domains. Zbl 1195.30061 Hästö, Peter; Portilla, Ana; Rodríguez, José M.; Tourís, Eva 21 2010 Zero location and asymptotic behavior for extremal polynomials with non-diagonal Sobolev norms. Zbl 1225.33012 Portilla, Ana; Quintana, Yamilet; Rodríguez, José M.; Tourís, Eva 7 2010 Comparative Gromov hyperbolicity results for the hyperbolic and quasihyperbolic metrics. Zbl 1190.30030 Hästö, Peter; Portilla, Ana; Rodríguez, José M.; Tourís, Eva 7 2010 The multiplication operator, zero location and asymptotic for non-diagonal Sobolev norms. Zbl 1200.33015 Portilla, Ana; Rodríguez, José M.; Tourís, Eva 5 2010 A characterization of Gromov hyperbolicity of surfaces with variable negative curvature. Zbl 1153.53320 Portilla, Ana; Tourís, Eva 35 2009 Stability of Gromov hyperbolicity. Zbl 1205.30039 Portilla, Ana; Rodríguez, José M.; Tourís, Eva 13 2009 Weighted Weierstrass’ theorem with first derivatives. Zbl 1221.46028 Portilla, Ana; Quintana, Yamilet; Rodríguez, José M.; Tourís, Eva 4 2007 Weierstrass’s theorem in weighted Sobolev spaces with \(k\) derivatives. Zbl 1177.41007 Portilla, Ana; Quintana, Yamilet; Rodriguez, José M.; Touris, Eva 3 2007 Gromov hyperbolicity of Denjoy domains. Zbl 1115.53030 Alvarez, Venancio; Portilla, Ana; Rodriguez, Jose M.; Touris, Eva 15 2006 The role of funnels and punctures in the Gromov hyperbolicity of Riemann surfaces. Zbl 1108.30031 Portilla, Ana; Rodríguez, José M.; Tourís, Eva 8 2006 Weierstrass’ theorem in weighted Sobolev spaces with \(k\) derivatives: announcement of results. Zbl 1107.41007 Portilla, Ana; Quintana, Yamilet; Rodriguez, Jose M.; Touris, Eva 1 2006 Gromov hyperbolicity through decomposition of metrics spaces. II. Zbl 1047.30028 Portilla, Ana; Rodríguez, José M.; Touris, Eva 41 2004 The topology of balls and Gromov hyperbolicity of Riemann surfaces. Zbl 1070.30019 Portilla, Ana; Rodríguez, José M.; Tourís, Eva 15 2004 Weierstrass’ theorem with weights. Zbl 1045.41005 Portilla, Ana; Quintana, Yamilet; Rodríguez, José M.; Tourís, Eva 7 2004 all cited Publications top 5 cited Publications all top 5 Cited by 78 Authors 56 Rodríguez García, José Manuel 20 Sigarreta Almira, José María 19 Portilla, Ana 19 Touris, Eva 16 Pestana, Domingo 10 Granados, Ana 8 Carballosa, Walter 7 Martínez-Pérez, Álvaro 7 Quintana, Yamilet 5 Villeta, María 4 Bermudo, Sergio 4 Cantón, Alicia 4 Hernández, Verónica 3 Hästö, Peter A. 3 Marcellán Español, Francisco 3 Rosario, Omar 2 De La Cruz, Amauris 2 Gonzalo Pérez, Jesús 2 Matsuzaki, Katsuhiko 2 Pérez Valero, María Francisca 2 Reyes, Rosalío 2 Reyna, Gerardo 2 Vilaire, Jean-Marie 1 Ali, Akbar 1 Almatroud, A. Othman 1 Alsheekhhussain, Zainab 1 Álvarez, Venancio 1 Arreola-Bautista, Luis D. 1 Aslam, Adnan 1 Casablanca, Rocío M. 1 Chepoi, Victor D. 1 Colorado, Eduardo 1 Díaz-González, Abel 1 Dragan, Feodor F. 1 Du, Zhibin 1 Estellon, Bertrand 1 Gaussier, Hervé 1 Habib, Michel 1 Huang, Manzi 1 Huang, Yufei 1 Huertas Cejudo, Edmundo José 1 Jabuka, Stanislav 1 Jahanbai, A. 1 Kaczmarek, Radosław 1 Kałamajska, Agnieszka 1 Khedr, Ahmed Y. 1 Li, Guohui 1 Li, Yaxiang 1 Liang, Yan 1 Lindén, Henri 1 Liu, Beibei 1 Liu, Hechao 1 Melián, María Victoria 1 Méndez Bermúdez, José Antonio 1 Michel, Junior 1 Moore, Allison H. 1 Noor, Muhammad Unfowan 1 Pandazis, Michael 1 Pijeira-Cabrera, Héctor 1 Quintero-Roba, Javier 1 Ramadan, Rabie A. 1 Rao, Yongsheng 1 Rasila, Antti 1 Romera, Elena 1 Romero-Valencia, Jesús 1 Šarić, Dragomir 1 Seshadri, Harish 1 Shao, Zehui 1 Sheikholeslami, Seyed Mahmoud 1 Torres, Yadira 1 Urieles, Alejandro 1 Vaxès, Yann 1 Vuorinen, Matti Keijo Kustaa 1 Wang, Xiantao 1 Wu, Baoyindureng 1 Xiang, Yang 1 Zhang, Minjie 1 Zhou, Qingshan all top 5 Cited in 47 Serials 5 Acta Mathematica Sinica. English Series 4 Journal of Mathematical Analysis and Applications 4 Proceedings of the Indian Academy of Sciences. Mathematical Sciences 3 Discrete Applied Mathematics 3 Discrete Mathematics 3 Journal of Approximation Theory 3 Journal of Mathematical Chemistry 3 Revista de la Real Academia de Ciencias Exactas, Físicas y Naturales. Serie A: Matemáticas. RACSAM 3 Open Mathematics 2 Applied Mathematics and Computation 2 Journal of the Mathematical Society of Japan 2 Mathematische Nachrichten 2 Mathematische Zeitschrift 2 Acta Applicandae Mathematicae 2 The Journal of Geometric Analysis 2 The Electronic Journal of Combinatorics 2 Revista Matemática Complutense 2 Bulletin of the Malaysian Mathematical Sciences Society. Second Series 2 Central European Journal of Mathematics 2 Mediterranean Journal of Mathematics 2 Symmetry 2 Bulletin of Mathematical Sciences 1 Rocky Mountain Journal of Mathematics 1 Advances in Mathematics 1 Geometriae Dedicata 1 Osaka Journal of Mathematics 1 Proceedings of the Edinburgh Mathematical Society. Series II 1 Results in Mathematics 1 Transactions of the American Mathematical Society 1 Acta Mathematica Hungarica 1 Bulletin of the Iranian Mathematical Society 1 Graphs and Combinatorics 1 Algorithmica 1 Applied Mathematics Letters 1 Aequationes Mathematicae 1 International Journal of Computer Mathematics 1 Proceedings of the Royal Society of Edinburgh. Section A. Mathematics 1 Computational and Applied Mathematics 1 Complexity 1 Discrete Dynamics in Nature and Society 1 Communications in Contemporary Mathematics 1 Computational Methods and Function Theory 1 Journal of Function Spaces and Applications 1 Complex Variables and Elliptic Equations 1 Complex Analysis and Operator Theory 1 Communications in Combinatorics and Optimization 1 DML. Discrete Mathematics Letters all top 5 Cited in 15 Fields 42 Combinatorics (05-XX) 24 Functions of a complex variable (30-XX) 24 Differential geometry (53-XX) 10 Functional analysis (46-XX) 8 Biology and other natural sciences (92-XX) 7 Approximations and expansions (41-XX) 5 Global analysis, analysis on manifolds (58-XX) 4 Potential theory (31-XX) 3 Special functions (33-XX) 2 Several complex variables and analytic spaces (32-XX) 2 Harmonic analysis on Euclidean spaces (42-XX) 2 Manifolds and cell complexes (57-XX) 1 Group theory and generalizations (20-XX) 1 Real functions (26-XX) 1 General topology (54-XX) Citations by Year