Restaurantes Santiago

Restaurantes Santiago, Guia, Guía de Restaurantes, Guía de Restaurantes Chile, Degusta, Chile, degustachile, degusta chile, restaurantes , restaurantes en chile, Quinoa, Osaka Jo, El Palenque, Ana Maria, El Hoyo, El Camarón, George, Trattoria Da Carla, Don Peyo, San Francisco, Tonto Pinto, La Nilda, Con - Kavanah, Cafetería y Boutique NRG, La Estancia, El Naturista, Bonafide, Gino`s Pizza, Sol de Máncora, Roll Bar, Mi Tierra al Sur del Mundo, Sakura, Akbar Sushi, Taringa, Tavelli, Sushi World, Six Lounge, Tobu, Stgo Restobar, Eccolo Qua, Café Monstruitos, El Pollo al Coñac, Japón, Rubén Castillo, Pantaleón, Giratorio, 4 Puntos, Las Americas, Guayacán, Los Pinos, Cordillera, Venezia, Melinka, Imperio, Café Mokka, Tavola, Los Saldes, Vía Lactea, Sebastián, Bianco Latte, Fragola, Casa Flaño, Mass Massia, Blue Jar, Mestizo, Chez Ricardo, Fina Estampa, Om Restolounge, Caburga, Confiteria Torres, Del Cocinero Bistró, Ostras Azocar, Santorini, Vop Café, Kiroi Sushi, La Picá del Sandwich, La Cevichería, Maki Sushi, 5to Cheers, Café Anay, Fuente Sucre, Café del Mundo, Golfo di Napoli, N H, Mi Picá, De Los Reyes, Bar Nacional, Panini 1115, Brown, Mr Coffee, Ciro`s, Jin Xi, Kintaro, Donde Guido, Puerto Pizarro, Café Casablanca, Café Clo, Café Olivia, Merendano, Grubens, Café Caramba, Sukalde, Boragó, Neft, Nolita, Niu Sushi, Myc House, La Barrica Celta, Minga, Miyoshi, Muqueca, Misaki, Los Tesoros del Inca, Cereza de Café, Marcini, Los Insaciables, El Huerto, El Gauchito, Metropolitana, María del Mar, Los Vikingos, Los Sabores del Inca, Cory, Divertimento Chileno, Los Chinos Ricos, Lokos Por El Mar, Living Sushi, La Cocinería, Kento Sushi, La Teteria, La Pizzarra, Epicúreo, Long Cheung, Las Urracas, Helsinki Club, Fuente Suiza, Sergio`s, Luna Llena, Puerto Perú, Tierra de Fuego, Euro Café, Entre Cavas y Ladrillos, Eladio, Kudasaru, El Templo del Inka, Izakaya Yoko, Infante 51

L `Aperitivo, Kaidan Sushi, Juan y Medio, I Ching, Hookah Troopa, Happy Every Body, Hansel y Gretel, Guria, Govinda`s, Golden Music, Finitezza, El Tablao, El Cid, El Patio Andaluz, Costanazca, El Gusto Peruano, Ego, Doña Ines, Desmadre, De Tapas y Copas, Dalou, Da Noi, Cuore Matto, Café Forestal, Ciclico, Clementina, Ciudadano, Ciudad Vieja, Café Med, Osaka, Chung San, Openbox, Yungay Viejo, Fuente Mardoqueo, Sq, Pachamama, Cautibar, Baco, Cara de Palo, Canela y Comino, Cafe del Opera, Brick, Bramasole, Blu3, Bendita Papa, La Parrilla del Buen Corte, Johnny Rockets, Bufala, Budapest, Celtika, Applebee`s, Banzai Sushi, Noso, Azul Profundo, Arrieros Colombianos, Arcano Bar, Aitue, Terraza, A Punto Rojo, Infraganti, Flannery`s, Moloko, Tip y Tap, La Hacienda Gaucha, Aquí Está Coco, Maldito Chef, Pura Carne, Mr. Jack, Sawasdee, Nippon, The Sushi Kyu, Suburbia, Hao Hwa, Café Bizarre, Anthony`s Pizza, Hapetito El Charro, Santo Quijote, Lomito`s, Vista al Río, Los Cuernos del Toro, El Tucán, Restobar La Terraza, Motoqueros, El Fueguino, La Higuera, Pancho Pizza, Entre Gaucho y Huaso, La Picada Donde Ramón, El Castillo del Canelo, El Tigre, El Alto del Canelo, La Parrillada de José, Tomo y Obligo, Café & Chillout, Krono, Ronko, Okane Sushi Club, Sheng Ping, El Noche Buena, Café Hamule, Al Mustafa, Al Taibat, Lua Café, Hungry, Sicosis, A Su Merced, El Diablito, Calipso Intenso Casi Azul, Snack & Coffee, Basílica Restobar, Casa Oriental, Pub Donde Rafa, Cam Xiong, He Hin, Don Pizza, Bar Bilbao, Kábala, Verace, Café Concepto, Autre Saveur, Nutrición Smr, Lucas Vászquez, Sammich, Cecilyanne, El Tlacuache, El Gran Bajón, Delicias de Abú, Yamile, Xampanyet, La Fábrica Gourmet, Café del Museo, Everyday Sushi, La Familia, La Vierre, Rincón árabe, Trigal del Sol, Santambrogio, Hong Yun, Zonico, The Coffee Factory, Café Tiamar, Olivié, Marco Polo, Nuria, Casa Lastarria, Mizu, Café del Patio, Sushi Blues, Machupichu, Rai, Puerto Calbuco, Soko, Sátira, De Cangrejo a Conejo, Nigiri, El Mesón de La Patagonia, Déjate Besar, Paijan, Tomodachi

Omar Khayyam, Don Gaviota, Bella Calabria, Yang - Tse, El Parrón, Malas Artes, Geométrico, Don Simón, El Gringo, Tejazo Lounge, Starlight Coffee, Barado, Atrium, Café de Los Maestros, Opera, El Indio Pícaro, Carmina, Delhi Darbar, Urriola, Squadritto, Zabo, R Punto, Marisquería Tahiti, Bon, Marisquería Tongoy, Elfos Bar, Café Vienés, El Rancho del Che, Element, Fresia, R. (erre Punto), La Tribu (Cascada de las Animas), Bar Catedral, Zuki, Casa Mar, Ko, Helarte, Fuh Hou, Fiorita, Falafel Asly, Entre Tongoy y La Florida, El Txoko Alaves, El Pollo Caballo, El Mismo, El Inca, El Caramaño, El Campito, Eileen -inas, Donde Tío Pepe, Donde Pepo`s, Donde Margot, Don Rodrigo, Da Ri Won, Cumbres del Maipo, Casa Bosque, Strindberg, Sabor Nativo, Recodo, Rancho El Añil, Papy Pizza, Palidaro, Palacio Oriental, Ona, Navetierra, Musume Sushi Bar, Miyako, Mitzui, Ming - Shi, Millahue, Lili Marleen, La Vuelta, La Petite France, La Isidora, La Calchona, Ky, Kubanito, Los Ciervos, España, Creperie, Cinco Minutos, Cienfuegos, Carmelita, Cappi-club, Candil, Calypso, Café y Libros Mosquetos, Café y Flores Mosqueto, Café Melba, Gong Hua, Bohemian Restobar, Bello Oriente, Yakuza, Wine 365, Waya`s Gyros, Umami, Tuca, Tquila, Topao, Terruábar, Teo, Sushiro, Sundance Café, Bar The Clinic, Bar Pub Lo Cañas, Matsuri, Bar Duke`s, Azti Restobar, Azafrán, Atari Sushi, Arriero, Fres&co, Daichi, California Cantina, Cafe Expresso, Sushi House, Yangtse, Santa Bohemia, Rio Vino, Park Lane, Vittamina, Subterraneo, Mosai Cafe, Art Cafe, Nueva China, Lung Fung, Kun San, Kong Lung, Hong Mian, Guo Fung, Fortune, Stone House, Pub Celeste, La Picá de Los Cuñados

36 y Medio, Charro de Oro, Pollo Stop, Pardo`s Chicken, Sol, Tante Marlene, Ox, Happening, Amancay, Chez Pollo, Trattoria El Calabrés, Entre Tongoy y Los Vilos, Squella, Puerto Marisko, Ocean Pacifics, Mare Nostrum, Las Conchitas, La Tasca de Altamar, La Perla del Pacífico, Ibis de Puerto Varas, Cap Ducal, Bahía Providencia, A La Leña Asados, La Querencia, Los Socios, Los Buenos Muchachos, Espadeiros, Acuarela, Viva Vaca, La Bifería, Cuerovaca, La Tabla, Pad Thai, Crepes & Waffles, Café Lyon, Mambo, Pegui Sandwichería, El Palacio del Sandwich, Docetrece Pub, Armenia, Quick Lunch Aleman, Pub Licity, Pro Bar, Pizzeria Roma, Pasta Pazza, La Rotonda, Kari, Empanatodos Los Gustos, El Azar, Top Sandwich, Seven, Natural Salads, Yamandú, Varadero, Sinfonía de Sabores, Rincón Tobalaba, Las Delicias, La Totó, La Tinita, La Tecla, La Chimenea, La Castellana, Kafé -ina, Deli Xpress, Café Espacio Vivo, Dachmi, Filippo, Pizzeria Don Esteban, Bajo Llave, Wallo`s Pizza, Unico Pizza, Pizzería Antica, Pizza Muzza, Papa John`s Pizza, La Pizza Nostra, La Massa, Shot Café Bar, Medwell Pizza, Fides Café, El Living del Té, Nativo, La Leona, Il Carpacci, Fuente Chilena, Fuente 21, Club Esquina, Chato`s, Opera Catedral, Ozaki, Miraolas, Ummo, Schop Dog, El Calamar, Delirio, Donde El Guatón, Sana Tentación, Mi Havana, Ilé Habana, Europeo, Umai, Kioday Sushi, Ichiban, Comidomi, Punto Social, La Vera Pizza, La Bota, Verde Que Te Quiero Verde, Oh! Salad Garden, Oh! Salad & Bistró, Natural y Orgánico, La Chakra, Allpamanta, La Picá de Luchito Jara, Jakavá, Café Paris, La Casona de Leontina, Istambul, Horizonte, Gennaro`s, Garlic, Faisán D`Or, El Quincho, El Pollo Gourmet, Subterra, El Mordiscón, Don Armandito, Deli Río Arriba, Como En Casa, Cñal, Chancho Seis, La Vaquita Sabrosa, Bariloche, Madera y Carbón, Voy y Vuelvo, Santiago Colonial, Robinsonia, Ricatto`s, Rhenania, Mi Rancho, M.r. Coffee, La Piojera, La Concepción, La Casa Vieja, Galindo, El Mesón Nerudiano, El Lagar de Don Quijote, Doña Tina, Cómo Te Ubico, Club Radical, Civilo Resto Bar, Casa de Cena, Aguila Roja, La Casa En El Aire

Restaurantes Santiago Restaurantes Santiago

Milcao, Bavaria, Cecilia Amenábar, Casa Naranja, Café Utopía, Café Bovary, Bombón Oriental, Back Deck Restobar, Tierra Noble, Cinnzeo, Café Montt, Rincón Brasileiro, Agua Na Boca, El Antojo de Gauguin, Agua Viva, Le Petit Bar, Sushi Bushido, La Cita, Le Cité, Pizza Napoli, El Amiir Issa, Cocoa, Borne 19, Café de Las Artes, Emporio La Rosa, Café Bar Abarzua, Pierino Pizzeria, Cafe Bistró, Café Bistró de La Barra, Cinema Café, La Sal, Lucía Bistró, Café Escondido, Kakós Express, Mosutoro, Fuente Bilbao, Fuerte Bárbaro, Oishi Sushi, El Alemán, Old West, Yami Yami, Pranzo, Alba Bar, Adra, Anakena, Latin Grill, Senso, Metropol, Fuente Romana, Nicolás, Mei Hua, Más y Más, Rockaxis, Rivoli, Otai Sushi Bar, Grillé, La Fuente, Evergreen, Pausa Bistrot, Mitsuko, Kim Hua, El Tío Manolo, Lin-lan, Atton Bistró, Konichi, La Herrería de José Luis, Chama`s, Satiro, Astoria, El Fogón del Gaucho, Nan Fang, Pop And Rolls, Mamut, Sole Mio, Hua-li, El Puente de Chabuca, Asian Bistro, Sushi Now, Rocco`s, O`Bar, Olé Resto-bar, Don Carlos, El Apero, Hanabi, La Bodeguilla de Cristóbal, Mancora, Ali Baba, Club Donde Mismo, Capricho Español, Pasta E Vino, La Norteñita, Saints Patricks Day, Inca Pacha, Sui - Hwa, Café Cascanueces, Jade, Aonikenkafé, Al Makán, Dublin, Bar Mori, Mi Lounge, Kimun, La Boheme, Como Agua Para Chocolate, Il Siciliano, La Mordida, San Fruttuoso, Muñeca Brava, Santería, Temaki Store, Istanbul Doner Kebap, Gatsby, Stuart Caffé, Perú Gustoso, Saravia, Fuente Alemana, Café Con Cuento, Platónico, Damaris, Origen Restobar, Etniko, De Tomo y Lomo, Le Fournil Bistrot, Sushi & Más Market al Paso, Peperone Café, Paraíso Inca, Muérdago, Yukimi, La Clásica, Santelmo, V Sushi, Villa Real, Camino Real, Paulista, Macondo, Tragaldabas, Santo Remedio, Alto Perú, El Barcelona, Olán, Fábula , La Casa del Chef, Ding Feng Sheng, Tao Sushi Bar, Posada Las Palmas, Edo Sushi, Lotus Flower, Golden, Sacsayhuaman, Mucca, Scena, Paladares

Wasabi, Naruto, Donde Landeo, Ají Amarillo, Notable, Oxigen O2, Maiko, Bozo, Lunapub, Ramblas, Pacto, Club Colombia, Pizza Azzis, Mw, Salaam Bombay, Ecléctico, Mexicana, El Lagar, La Mitad del Mundo, Pasaje a India, Mar de Viña, Vietnam Discovery, Sukine, Harissa, Abu El Reem, Doner House, Astrid y Gastón, Cabes, Indómito, Domo Restobar, A Pinch Of Pancho, Pata Negra, Los Maestros, Gran Museo, Geraldine, Nori, Aquarium, Renovales del Bosque, Emilio, Enebro, Emporio Armani, Pinpilinpausha, Mezzanotte, Piola, La Fuente Vitacura, La Cascade, Zanzíbar, Cool To, Starnberg, La Mar, Puerto Fuy, Fajita Express, Cafe Bagdad, Planet Sushi, Da Renzo, Le Flaubert, De La Ostia, El Cachafaz, Le Bistrot, Tierra Colombiana, Louisiana, Bed Rock, Sushi Green, Soul Of India, Kyosei, Ganaderos Capital Grille, Picanha, Fish House, Sushiban, Japon Ya, Pikada, Malecón de La Habana, El Perseguidor, La Pera Palta, La Previa, La Casona Azul, Perpiacere, Baires, Platipus, La Piccola Italia, El Otro Sitio, Las Carnes de Morandé, Barandiarán, Liguria, Zully, Club Santiago, Bucca, Jofré, Atelier del Parque, Bella China, Boulevard Lavaud, Las Vacas Gordas, Ibérico, Perú Magico, Pancho`s, De Película, Ambrosia, Pastrami, La Berenjena, Everyday, Les Assassins, El Pollo Sabrosón, La Parte del Angel, @sns, Sushi Haru, La Fattoria, Avvocato, Shoo Gun, Capuccino, L`Aquelarre, El Ají Seco, Duri Sushi, La Cucina Italiana, Mi-o Sushi Lounge, 1/2 Kilo, En Familia, Quarzzo, Bice La Trattoria, Nanatsu, Coquinaria, El Moro, Shikai Sushi, Sake, Maison de France, Bongiovanni, La Cholita, Gala, Don Pepe, Val`Daosta, La Uruguaya, Bambú, Caminito, Borgata, Sabores de Barrio, Santabrasa, Too Much Japanese, Patagonia Restobar, Prego, Oliva Limón, MaX_o, La Taverna della Piazza, Irusushi, Gatopardo, Voraz, Angus, Ambar, Taquería El Ranchero, Museo Peruano, Teclados, Massivo, Chihuahua, Mi Sushi, El Barril, El Otro Puerto Callao, Bar Esquina, Santiago Restobar, Violeta de Persia, Bar Bazul, Diboca, Forest Pub, Ciudad Capital, Avenue Du Bois, Caprese, Strada, Ruby Tuesday, Open, Sushihana, The Crêpe Café, Lin Lan, Jozu, Aki Sushi, China Village, Lun Wa, Bali Hai, Kam-wha, Pub Origen, Bar Azar, Pub Grace, Domenica, Sr. Miyagi, Coco Loco, La Cocina de Napoleon, Da Dino, Sport Cafe, Ha`Petito, Chunghwa, Open-bar, Open Santiago, Yosushi, H B H, Las Lanzas, Chilenazo, Ikao Sushi, Pizzatone, Da Silvio, Chang Cheng, Alfresco, Bravissimo, Tortilla Factory, Tai Pan, Qatir, El Chalán, Tutta Pasta, Raúl Correa & Familia, Santa Pizza, Organikzú Sushi, Sushi Deli, Entre Gallos, Sushi San, Status, La Punta, Capri 192, T.G.I. Friday`s, Zouk, Vincent, Victorino, Vicious, Vendetta, Uva, Tres Continentes

Tony Roma`s, Tomadashi Go, Tiramisú, The Gaon, Thai House, Taxco Cantina, Tanta, Tano, Tambo, Sushi Orient, Surreal, Spiazzo, Señor de Sipán, Rustico, Rishtedar, Comercial Canton, Miguel Torres, Pura Gula, Ponle Cacao, Phone Box Pub, Pepino`s, Peccatore, Peccato Pizzas, Osadia, Pasta E Basta, Pargua, Palacio Danubio Azul, Oriental, Oporto, Olivas, Normandie, Mane, Majestic, Loyola, Los Cuates, Lomit`s, Licity Grill, Los Arcos de Lo Vial, Los Amigos, Le Fournil, Le Due Torri, La Minuta, La Mia Pappa, La Isla, La Forchetta, La Cocina de Javier, Kunstmania, Kitcheng, Juan Valdez Cafe, Iwana Rock, Huascarán, Hong Loc, Hemingway, Gernika, Entremundos, Elkika Ilmenau, El Patio, El Estilo, El Bodeguero, El Amor Nunca Muere, Ebano, Dulceria Presidente Riesco, Dulce Luna, Dominó, Delmónico, Del Beto, Da Roncallo, Condi, Club Gran Avenida, Classic Café, Cinema Paradiso, Charleston, Centre Catalá, Casa China, Callejón del Mesías, Cafetto, Café Terraza, Cafe Literario Hamoody, Café El Observatorio, Cabo Frio, Bruno`s, Break House, Boca, Blue Pub, Bigas, Basilico Bistró, Bar de Niro, Baleares, Atakama Bar, Anyel`s, Akita Sushi, Akbar, Akarana, Akai Sushi, A Lo Chileno, A La Waikachina, 35 mm

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Weekly Seminar
WS Season 2017/2018

Seminar on Orthogonality, Approximation Theory and Applications

 



Forthcoming Seminars



 

 



Past Seminars



 

ThursdayMarh 22,  2018, 18:00. Room 2.2.D08

Speaker: Amilcar Branquinho. University of Coimbra, Portugal

Title:  Matrix biorthogonal polynomials in the real line: a Riemann-Hilbert problem perspective.

 Abstract In this talk we present a Riemann-Hilbert problem for matrix orthogonal polynomials in the real line. Taking into account this formulation and for measures that satisfy differential equations of Sylvester type we obtain, for the coefficients of the recurrence relation of such polynomials, discrete equations of Painlevé I. 

We also determine, for generalized matrix Hermite polynomials, the equations that the coefficients of the three term recurrence relation satisfy. Also, we present structure equations as well as a matrix eigenvalue problem associated with this family.

 


 

Thursday, Marh 22,  2018, 17:00. Room 2.2.D08

Speaker: Abdessadek Saib. University of Tebessa. 

Title: d-orthogonality, linear combinations and Hahn's property.
 
AbstractThe aim of this talk is to provide a spotlight on d-orthogonal polynomials (known as multiple orthogonal polynomials at the step-line) with Hahn's property. 
We shall discuss in this talk one possible way for the construction of such class and we formalize our arguments from the quasi-orthogonality's point of view. To some extent it is possible to construct the whole class of Hahn-classical d-orthogonal polynomials (for a fixed d) using the concept of quasi-orthogonality together with linear combinations of polynomials. To explain how our idea works, we shall give a specific study of some particular cases from the linear combination to recover new families. 
It turns out that the above ideas could be used further to construct the respective differential equation as well as Rodrigues formulas.Therefore, a number of fascinating problems in this direction would be highlighted.

 


 

Thursday, March 15,  2018, 17:00. Room 2.2.D08

Speaker: Abey Lopez GarciaUniversity of Central Florida

Title:   Random polynomials satisfying a three-term recurrence relation

Abstract: In this talk we consider polynomials Pn(z) satisfying a three-term recurrence relation of the form zPn=Pn+1+an Pn-1, with positive random coefficients an. Assuming the coefficients an are i.i.d., we study the mean zero asymptotic distribution and mean Padé asymptotic distribution of these polynomials, as well as relations between them. This is a joint work with V. Prokhorov.

 


 

Thursday, March 8,  2018, 17:00. Room 2.2.D08

Speaker:  Abel Díaz González. Universidad Carlos III de Madrid

Title:  Discrete Laguerre Sobolev orthogonal polynomials.

Abstract: In this talk we consider the sequence of discrete Laguerre Sobolev orthogonal polynomials {Sn}n=1∞ with an arbitrary (finite) number of mass points. This is the monic sequence of orthogonal polynomials with respect to an inner product in the form

<f,g>=∫0f(x)g(x) ωα(x)dx+∑i=0mj=1Ni λi,j f(i)(ci,j) g(i)(ci,j).

where m, Ni Î Z+ , ci,j <0 for  i=0, … ,m and j=1, … , Ni. We obtain interlacing properties of zeros of this sequence and we prove that Sn has at least n-d zeros on (0,∞), where is a constant depending only of the mass points ci,j, which is equal to d=i=0m(i+1)Ni in the case of the mass points ci,j are all different. In the above case an explicit formula for the outer relative asymptotic of these polynomials is also described.



 

ThursdayMarch 1,  2018, 17:00. Room 2.2.D08

Speaker: Irene Valero Toranzo. Departamento de Física Atómica, Molecular y Nuclear de la Universidad de Granada.

Title:  Parametric asymptotics of Laguerre and Gegenbauer integral functionals and pseudoclassical applications
 

Abstract: In this work we study the parametric asymptotic behavior (α → ∞) of some power and logarithmic integral functionals [1] of the Laguerre L(α)m(x) and Gegenbauer C(α)m(x) polynomials. These orthogonal polynomials control the wavefunctions of the D-dimensional hydrogenic and oscillator-like systems in both position and momentum spaces, where the parameter α depends linearly on D. To do so, we design a mathematical procedure which makes use of the generalized Laguerre and Gegenbauer’s series representation, jointly with various general results of asymptotics. Then, we show novel Hermite-type expansions for the Laguerre and Gegenbauer polynomials which have mathematical interest per se. Finally, these results are applied to calculate the main entropic uncertainty measures (Fisher information, Shannon and Rényi entropies) for the high-dimensional or pseudoclassical states of the quantum-mechanical systems mentioned above [2].

 

References

[1] N. M. Temme, I. V. Toranzo and J. S. Dehesa, Entropic functionals of Laguerre and Gegenbauer polynomials with large parameters. J. Phys. A: Math. Theor. 50(21), 215206 (2017).

[2] D. Puertas-Centeno, N. M. Temme, I. V. Toranzo, and J. S. Dehesa, Entropic uncertainty measures for large dimensional hydrogenic systemsJ. Math. Phys. 58, 103302 (2017). 

 


 

Thursday, February 22,  2018, 17:00. Room 2.2.D08

Speaker: Yanely Zaldívar Gerpe. Universidad Carlos III de Madrid.

Title: Higher order recurrences and row sequences of Hermite-Padé approximation
 

Abstract: We obtain extensions of the Poincaré and Perron theorems for higher order recurrence relations and apply them to obtain an inverse type theorem for row sequences of (type II) Hermite-Padé approximation of a vector of formal power series.

 


 

Thursday, December 14,  2017, 16:00. Room 2.2.D08

Speaker: Verónica Hernández. Universidad Carlos III.

Title:  On several extremal problems in graph theory involving Gromov Hyperbolicity Constant

Abstract: If X is a geodesic metric space and $x_1,x_2,x_3\in X$, a geodesic triangle $T=\{x_1,x_2,x_3\}$ is the union of the three geodesics $[x_1x_2]$, $[x_2x_3]$ and $[x_3x_1]$ in $X$. The space $X$ is $\d$-\emph{hyperbolic} $($in the Gromov sense$)$ if any side of $T$ is contained in the $\d$-neighborhood of the union of the two other sides, for every geodesic triangle $T$ in $X$. We denote by $\d(X)$ the sharp hyperbolicity constant of $X$, i.e., $\d(X):=\inf\{\d\ge 0: \, X \, \text{ is $\d$-hyperbolic}\,\}\,. $ 

In this work we focus on the study of hyperbolic graphs. In general, to compute $\d(G)$ for a given graph $G$ is an almost intractable problem, thus it is natural to try to bound it in terms of some parameters of the graph. Our main aim is to estimate the hyperbolicity constant of graphs belonging to particular families; more specifically, we obtain good upper and lower bounds for $\d(G)$ in terms of the order, size, diameter, girth, circumference, minimum and maximum degree of a graph.

 


 

Thursday, November 23,  2017, 17:00. Room 2.2.D08

Speaker: Mikhail Tyaglov. Shanghai jiaon Tong University

Title:  Self-interlacing and stable orthogonal polynomials. Theory, examples and open problems

Abstract: Some non-symmetric tridiagonal matrices appear to be useful in some engineering questions,  for example, in network synthesis, stability theory etc. I will talk about orthogonal polynomials related to such tridiagonal matrices. Bessel polynomials will be presented as an example of the theory. 

 

 

Thursday, November 23,  2017, 16:00. Room 2.2.D08

Speaker: Juan Francisco Mañas. Universidad de Almeria.

Title: Asymptotic behavior of eigenvalues of a differential operator for discrete Gegenbauer-Sobolev orthonormal polynomials.

Abstract: In this talk, we consider discrete Sobolev inner products involving the Gegenbauer weight. The sequence of orthonormal polynomials with respect to this inner product are eigenfunctions of a differential operator. We establish the asymptotic behavior of the corresponding eigenvalues. Finally, we deduce the Mehler-Heine type asymptotics for the sequence of orthonormal polynomials and the location of the zeros of these polynomials. 

 



Thursday, November 9,  2017, 16:00. Room 2.2.D08

Speaker:  Sergio Medina Peralta. Universidad de Talca, Chile.

Title: An extension of Markov's theorem for mixed type Hermite-Padé approximants.

Abstract: Since their introduction in by Ch. Hermite, Hermite-Pad e approximants have been an invaluable tool in number theory, recently they have appeared in models coming from random matrix theory, biorthogonal ensembles and in some integrable systems. Due to classical results of A.A. Markov, the Cauchy transform of one measure plays a central role in the convergence theory of diagonal Pad e approximation. For type I and type II Hermite Pad e approximants, a similar place is occupied by the so-called Nikishin systems of functions, in particular, for such systems Markov type theorems are obtained. This talk deals with an extension of the Markov´s theorem for a kind of mixed type Hermite-Pad e approximants with respect to a Nikishin system of measures.

 


Thursday, November 2,  2017, 16:00. Room 2.2.D08

Speaker: A. I. Aptekarev. Keldysh Institute RAS

Title:  Jacobi matrices on graph trees and multiple orthogonal polynomials

 


 

Thursday, October 26,  2017, 16:00. Room 2.2.D08

Speaker:  Misael Marriaga. Universidad Carlos III de Madrid

Title: On Semiclassical Families of Bivariate Orthogonal Polynomials

Abstract: Orthogonal polynomials in two variables are studied as the natural generalization of orthogonal polynomials in one variable. Nevertheless, much work needs to be done in order to consider the theory of bivariate orthogonal polynomials as complete as the univariate case. In this work, we focus on extending well-known properties of univariate semiclassical orthogonal polynomials to the bivariate case. We also study algebraic and differential properties of a class of orthogonal polynomials in two variables constructed from orthogonal polynomials in one variable. Finally, we extend the definition of coherent pairs of quasi-definite moment functionals to the bivariate case and deduce some of its consequences.



 

Thursday, October 19,  2017, 16:00. Room 2.2.D08

Speaker:  Daniel Seco. Instituto de Ciencias Matemáticas (ICMAT)

Title: Funciones internas en el Espacio de Dirichlet

AbstractEn un espacio de Hilbert de funciones analíticas $H$, una función $f$ es \emph{interna} si satisface cierta sucesión de condiciones de ortogonalidad. Este concepto permite estudiar la estructura de espacios invariantes de $H$. En esta charla estudiamos el caso en el que $H$ es el espacio de Dirichlet, y damos una caracterización de las mismas en términos del operador de multiplicación que definen.

 


 

Friday, September 1,  2017, 16:00. Room 2.2.D08

Speaker: Juan Carlos García Ardila (UC3M)

Title: Classical perturbations for matrices of linear functionals

Abstract: This thesis is focused on the study  of  matrix transformations of  matrices with  linear  functionals as entries. In particular, we study the Christoffel, Geronimus, and Geronimus-Uvarov transformations,  as well as,  their relation  with scalar orthogonal polynomials satisfying a higher order recurrence relation.  

 
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