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Mostrando ítems 1-17 de 17

A first search for coincident gravitational waves and high energy neutrinos using LIGO, Virgo and ANTARES data from 2007

Adrián Martínez, Silvia; Ardid Ramírez, Miguel; Bou Cabo, Manuel; Ferri García, Marcelino; Larosa, Giuseppina; Martínez Mora, Juan Antonio; Astraatmadja, T.; Aubert, J.J.; Al Samarai, I.; Albert, A.; Baret, B.; André, M.; Basa, S.; Bertin, Vincent; Anghinolfi, M. (IOP Publishing: Hybrid Open Access, 2013-06)

We present the results of the fi rst search for gravitational wave bursts associated with high energy neutrinos. Together, these messengers could reveal new, hidden sources that are not observed by conventional photon ...
Approximating Multiple Roots of Applied Mathematical Problems Using Iterative Techniques

Behl, Ramandeep; Arora, Himani; Martínez Molada, Eulalia; Singh, Tajinder (MDPI AG, 2023-03)

[EN] In this study, we suggest a new iterative family of iterative methods for approximating the roots with multiplicity in nonlinear equations. We found a lack in the approximation of multiple roots in the case that the ...
Best proximity pair theorems for relatively nonexpansive mappings

Sankar Raj, V.; Veeramani, P. (Universitat Politècnica de València, 2009-04-01)

[EN] Let A, B be nonempty closed bounded convex subsets of a uniformly convex Banach space and T : A∪B → A∪B be a map such that T(A) ⊆ B, T(B) ⊆ A and ǁTx − Tyǁ ≤ ǁx − yǁ, for x in A and y in B. The fixed point equation ...
Between continuity and set connectedness

Kohli, J.K.; Singh, D.; Kumar, Rajesh; Aggarwal, Jeetendra (Universitat Politècnica de València, 2010-04-01)

[EN] Two new weak variants of continuity called 'R-continuity'and 'F-continuity' are introduced. Their basic properties are studied and their place in the hierarchy of weak variants of continuity, that already exist in the ...
Boyd-Wong contractions in F-metric spaces and applications

Bera, Ashis; Dey, Lakshmi Kanta; Som, Sumit; Garai, Hiranmoy; Sintunavarat, Wutiphol (Universitat Politècnica de València, 2022-04-01)

[EN] The main aim of this paper is to study the Boyd-Wong type fixed point result in the F-metric context and apply it to obtain some existence and uniqueness criteria of solution(s) to a second order initial value ...
Directional k-Step Newton Methods in n Variables and its Semilocal Convergence Analysis

Kumar, A.; Gupta, D.K.; Martínez Molada, Eulalia; Singh, Sukhjit (Springer-Verlag, 2018-04)

[EN] The directional k-step Newton methods (k a positive integer) is developed for solving a single nonlinear equation in n variables. Its semilocal convergence analysis is established by using two different approaches ...
Fixed point results concerning α-F-contraction mappings in metric spaces

Dey, Lakshmi Kanta; Kumam, Poom; Senapati, Tanusri (Universitat Politècnica de València, 2019-04-01)

[EN] In this paper, we introduce the notions of generalized α-F-contraction and modified generalized α-F-contraction. Then, we present sufficient conditions for existence and uniqueness of fixed points for the above kind ...
From interpolative contractive mappings to generalized Ciric-quasi contraction mappings

Roy, Kushal; Panja, Sayantan (Universitat Politècnica de València, 2021-04-01)

[EN] In this article we consider a restricted version of Ciric-quasi contraction mapping for showing that this mapping generalizes several known interpolative type contractive mappings. Also here we introduce the concept ...
Highly ordered acid functionalized SBA-15: a novel organocatalyst for the preparation of xanthenes

Nandi, Mahasweta; Mondal, John; Sarkar, Krishanu; Yamauchi, Yusuke; Bhaumik, Asim (Royal Society of Chemistry, 2011)

[EN] Post-synthesis modification of SBA-15 has been carried out to design highly ordered acid functionalized hybrid mesoporous organosilica, AFS-1. This material has been used as an efficient heterogeneous organocatalyst ...
Lattice dynamics study of nanocrystalline yttrium gallium garnet at high pressure

Monteseguro, V.; Rodríguez Hernández, Plácida; Vilaplana Cerda, Rosario Isabel; Manjón Herrera, Francisco Javier; Venkatramu, V.; Errandonea, Daniel; Lavin, V.; Muñoz, Alfonso (American Chemical Society, 2014-06-19)

This work reports an experimental and theoretical lattice dynamics study of nanocrystalline Y3Ga5O12 (YGG) garnet at high pressures. Raman scattering measurements in nanocrystalline Tm3+-doped YGG garnet performed up to ...
Local convergence of a parameter based iteration with Holder continuous derivative in Banach spaces

Singh, Sukhjit; Gupta, D. K.; Badoni, Rakesh P.; Martínez Molada, Eulalia; Hueso Pagoaga, José Luís (Springer-Verlag, 2017)

[EN] The local convergence analysis of a parameter based iteration with Hölder continuous first derivative is studied for finding solutions of nonlinear equations in Banach spaces. It generalizes the local convergence ...
New caulerpenyne-derived metabolites of an Elysia sacoglossan from the south indian coast

Ciavatta, M. Letizia; López-Gresa, María Pilar; Gavagnin, Margherita; Manzo, Emiliano; Mollo, Ernesto; D Souza, Lisette; Cimino, Guido (MDPI AG, 2006)

[EN] Chemical analysis of the secondary metabolite pattern of the sacoglossan mollusc Elysia cf. expansa, collected along South Indian coasts, showed the presence of the typical Caulerpa-derived sesquiterpene caulerpenyne ...
On rings of Baire one functions

Deb Ray, A.; Mondal, Atanu (Universitat Politècnica de València, 2019-04-01)

[EN] This paper introduces the ring of all real valued Baire one functions, denoted by B1(X) and also the ring of all real valued bounded Baire one functions, denoted by B∗1(X). Though the resemblance between C(X) and B1(X) ...
Search for Multimessenger Sources of Gravitational Waves and High-energy Neutrinos with Advanced LIGO during Its First Observing Run, ANTARES, and IceCube

Albert, A.; Andre, M.; Anghinolfi, M.; Ardid Ramírez, Miguel; Aubert, J.J.; Aublin, J.; Avgitas, T.; Baret, B.; Barrios-Marti, J.; Basa, S.; Belhorma, B.; Bertin, V.; Biagi, S.; Bormuth, R.; Boumaaza, J.; Martínez Mora, Juan Antonio; Saldaña-Coscollar, María (American Astronomical Society, 2019-01-10)

[EN] Astrophysical sources of gravitational waves, such as binary neutron star and black hole mergers or core-collapse supernovae, can drive relativistic outflows, giving rise to non-thermal high-energy emission. High-energy ...
Semilocal Convergence Analysis of an Iteration of Order Five Using Recurrence Relations in Banach Spaces

Singh, Sukhjit; Gupta, D.K.; Martínez Molada, Eulalia; Hueso Pagoaga, José Luís (Springer-Verlag, 2016)

[EN] Semilocal convergence for an iteration of order five for solving nonlinear equations in Banach spaces is established under second-order Fr,chet derivative satisfying the Lipschitz condition. It is done by deriving a ...
Surface stiffening and enhanced photoluminescence of ion implanted cellulose - polyvinyl alcohol - silica composite

Shanthini, G. M.; Sakthivel, N.; Menon, Ranjini; Nabhiraj, P. Y.; Gómez-Tejedor, José Antonio; Meseguer Dueñas, José María; Gómez Ribelles, José Luís; Krishna, J. B. M.; Kalkura, S. Narayana (Elsevier, 2016-11-20)

Novel Cellulose (Cel) reinforced polyvinyl alcohol (PVA)-Silica (Si) composite which has good stability and in vitro degradation was prepared by lyophilization technique and implanted using N3+ ions of energy 24 keV in the ...
Topological dynamics on hyperspaces

Sharma, Puneet; Nagar, Anima (Universitat Politècnica de València, 2010-04-01)

[EN] In this paper we wish to relate the dynamics of the base map to the dynamics of the induced map. In the process, we obtain conditions on the endowed hyperspace topology under which the chaotic behaviour of the map on ...