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1011.2096	i	active galactic nuclei ( agn ) are increasingly recognised as a key element in the overall galaxy evolution process ( e.g. * ? ? ? * ) , yet the nature of the link between agn and galaxy evolution is not understood in depth . the link can take two main forms : the triggering of agn as gas is driven into the nuclear reg...	in this paper we discuss the results of a programme of spectral synthesis modelling of a sample of starburst radio galaxies in the context of scenarios for the triggering of the activity and the evolution of the host galaxies . new optical spectra are also presented for a subset of the objects discussed . [ firstpage ]...	in this paper we discuss the results of a programme of spectral synthesis modelling of a sample of starburst radio galaxies in the context of scenarios for the triggering of the activity and the evolution of the host galaxies . new optical spectra are also presented for a subset of the objects discussed . the starburst...
1011.2096	r	detailed discussions of the individual starburst radio galaxies , including the new spectroscopic results , are presented in the appendix . in this section we consider the general results and patterns obtained for the population of starburst radio galaxies as a whole . it is striking that a large proportion of starburs...	25% of all powerful extragalactic radio sources frequently show disturbed morphologies at optical wavelengths , and unusual radio structures , although their stellar masses are typical of radio galaxies as a class . in terms of the characteristic ages of their young stellar populations ( ysp ) , the objects can be div...	in this paper we discuss the results of a programme of spectral synthesis modelling of a sample of starburst radio galaxies in the context of scenarios for the triggering of the activity and the evolution of the host galaxies . new optical spectra are also presented for a subset of the objects discussed . the starburst...
1011.2096	c	it is clear that many of the optical morphological features of starburst radio galaxies are consistent with the idea that both the agn / jet and starburst activity have been triggered as the result of the gas infall associated with galaxy mergers . hydrodynamical simulations of mergers reveal that they are complex even...	although% of starburst radio galaxies are sufficiently bright at mfir wavelengths to be classified as ultra - luminous infrared galaxies ( ulirgs ) , we show that only the most massive ulirgs are capable of evolving into radio galaxies . finally , for a small subset of starburst radio galaxies in rich clusters of galax...	in this paper we discuss the results of a programme of spectral synthesis modelling of a sample of starburst radio galaxies in the context of scenarios for the triggering of the activity and the evolution of the host galaxies . new optical spectra are also presented for a subset of the objects discussed . the starburst...
1011.2096	c	in this paper we have discussed the properties of the young stellar populations ( ysp ) in the @xmath015 25% of powerful radio galaxies that show strong evidence for recent star formation activity at optical wavelengths . combined with information about the morphologies of the host galaxies , the ysp properties of mos...	most of former group are associated with large mid- to far - ir ( mfir ) continuum and [ oiii ] emission line luminosities ( l , w ) , while most of the latter have lower luminosities . combining the information on the ysp with that on the optical morphologies of the host galaxies , we deduce that the majority of the...	in this paper we discuss the results of a programme of spectral synthesis modelling of a sample of starburst radio galaxies in the context of scenarios for the triggering of the activity and the evolution of the host galaxies . new optical spectra are also presented for a subset of the objects discussed . the starburst...
0901.0574	i	it is well known that in a chaotic dynamics the pointwise , future behavior of an initial condition is unpredictable and even impossible to be described by using a finite quantity of information . on the other hand many of its statistical properties are rather regular and often described by suitable versions of classic...	in this paper we prove that the poincar map associated to a lorenz like flow has exponential decay of correlations with respect to lipschitz observables . this implies that the hitting time associated to the flow satisfies a logarithm law . its asymptotic behavior is a power law whose exponent is related to the local d...	in this paper we prove that the poincar map associated to a lorenz like flow has exponential decay of correlations with respect to lipschitz observables . this implies that the hitting time associated to the flow satisfies a logarithm law . the hitting time is the time needed for the orbit of a point to enter for the f...
1012.0263	i	two dimensional electronic systems on a honeycomb lattice have seen tremendous activity over the last couple of years . this development was triggered by the experimental isolation of single layer graphene which comes with a variety of fascinating and unusual properties @xcite . commonly , graphene is considered an ex...	the effect of either order is to break the sublattice inversion symmetry which induces a finite gap for the electronic single - particle excitations . we analyze two related formulations of the model by means of ( i ) a controlled renormalization group calculation and ( ii ) the large - n method , both of which in comb...	in this paper we study transport properties of electrons on the two - dimensional honeycomb lattice . we consider a half - filled system in the vicinity of a symmetry - breaking transition from a semimetallic phase towards an insulating phase with either charge density or spin density wave order . the effect of either ...
1409.4313	i	many engineering problems such as chemical reaction processes , heat conduction , nuclear reactors , population dynamics etc . are governed by coupled convection - diffusion - reaction partial differential equations ( pdes ) with non - linear source or sink terms . it is a significant challenge to solve such pdes numer...	in this work , we apply the adaptive discontinuous galerkin ( dgafem ) method to the convection dominated non - linear , quasi - stationary diffusion - convection - reaction equations . we propose an efficient preconditioner using a matrix reordering scheme to solve the sparse linear systems iteratively arising from th...	in this work , we apply the adaptive discontinuous galerkin ( dgafem ) method to the convection dominated non - linear , quasi - stationary diffusion - convection - reaction equations . we propose an efficient preconditioner using a matrix reordering scheme to solve the sparse linear systems iteratively arising from th...
1502.02010	i	population dynamics are a fundamental aspect of many biological processes . in this paper , we introduce and investigate a mathematical model for the population dynamics of an invasive species in a three - species food chain model . exotic species are defined as any species , capable of propagating themselves into a no...	in this work we develop and analyze a mathematical model of biological control to prevent or attenuate the explosive increase of an invasive species population in a three - species food chain . the controls avoid chemical treatments and/or natural enemy introduction , thus eliminating various non - target effects assoc...	in this work we develop and analyze a mathematical model of biological control to prevent or attenuate the explosive increase of an invasive species population in a three - species food chain . we allow for finite time blow - up in the model as a mathematical construct to mimic the explosive increase in population , en...
0711.0705	i	the compound channel consists of a set of channels indexed by @xmath1 with the same input and output alphabets but different conditional probabilities . in the setting of the compound channel only one actual channel @xmath2 is used in all transmissions . the transmitter and the receiver know the family of channels but ...	, we show that feedback does not increase the capacity of the compound gilbert - elliot channel . additionally , we show that for a stationary and uniformly ergodic markovian channel , if the compound channel capacity is zero without feedback then it is zero with feedback . finally , we use our result on the finite - s...	in this work we find the capacity of a compound finite - state channel with time - invariant deterministic feedback . the model we consider involves the use of fixed length block codes . our achievability result includes a proof of the existence of a universal decoder for the family of finite - state channels with feed...
1111.2210	i	the study of dirac points , i.e. the contact points between different energy bands with an approximate linear dispersion relation , has become a major issue since the experimental breakthrough in graphene - based electronics @xcite . indeed , the low - energy electronic properties of graphene are governed by a pseudo -...	inspired by the recent creation of the honeycomb optical lattice and the realization of the mott insulating state in a square lattice by shaking , we study here the shaken honeycomb optical lattice . for a periodic shaking of the lattice , a floquet theory may be applied to derive a time - independent hamiltonian . in ...	inspired by the recent creation of the honeycomb optical lattice and the realization of the mott insulating state in a square lattice by shaking , we study here the shaken honeycomb optical lattice . for a periodic shaking of the lattice , a floquet theory may be applied to derive a time - independent hamiltonian . in ...
1111.2210	r	honeycomb optical lattices have recently been realized experimentally , although the existing setups have only been used to investigate bosonic atoms @xcite . shaking of a lattice has been experimentally implemented in a one - dimensional one by a periodic modulation on the position of the reflecting mirrors @xcite . f...	furthermore , we include weak repulsive on - site interactions and find the density profiles for different values of the hopping parameters and interactions , both in a homogeneous system and in the presence of a trapping potential . our results may be experimentally observed by using momentum - resolved raman spectros...	inspired by the recent creation of the honeycomb optical lattice and the realization of the mott insulating state in a square lattice by shaking , we study here the shaken honeycomb optical lattice . for a periodic shaking of the lattice , a floquet theory may be applied to derive a time - independent hamiltonian . in ...
0807.3481	i	recently , considerable experimental progress has been made in the spectroscopy of baryons containing a single heavy quark . the cdf collaboration has observed four bottom baryons @xmath1 and @xmath2 @xcite . the do @xcite and cdf @xcite collaborations have seen the @xmath3 . the babar collaboration discovered the @xma...	inspired by the results of recent experimental discoveries for charm and bottom baryons , the masses and magnetic moments of the heavy baryons with containing a single heavy quark are studied within light cone qcd sum rules method . a comparison of our results on the magnetic moments of these baryons and the hyper cent...	inspired by the results of recent experimental discoveries for charm and bottom baryons , the masses and magnetic moments of the heavy baryons with containing a single heavy quark are studied within light cone qcd sum rules method . our results on the masses of heavy baryons are in good agreement with predictions of ot...
1611.01635	c	as demonstrated in refs . @xcite , both the scalar and vector lq scenarios could explain the anomalies observed in @xmath0 and @xmath1 decays and , for each scenario , there exist two best - fit solutions for the operator coefficients , because the other two solutions for scalar lq are already excluded by the @xmath137...	, we study their effects in the semi - leptonic decay . using the best - fit solutions for the operator coefficients allowed by the current data of mesonic decays , we find that ( i ) the two scenarios give the similar amounts of enhancements to the branching fraction and the ratio , ( ii ) the two best - fit solutions...	it has been shown that the anomalies observed in and decays can be resolved by adding a single scalar or vector leptoquark to the standard model , while constraints from other precision measurements in the flavour sector can be satisfied without fine - tuning . to further explore these two interesting scenarios , in th...
hep-ph0601139	i	a search through the spires database reveals over 350 articles whose titles contain the expressions ` quark jet(s ) ' or ` gluon jet(s ) ' @xcite . the idea of quark and gluon jets appears so intuitive that it hardly seems necessary to examine the question of what it means . yet , when going beyond leading order pertur...	it is common , in both theoretical and experimental studies , to separately discuss quark and gluon jets . however , even at parton level , widely - used jet algorithms fail to provide an infrared safe way of making this distinction . this can be a powerful tool when combining fixed - order calculations with multi - je...	it is common , in both theoretical and experimental studies , to separately discuss quark and gluon jets . however , even at parton level , widely - used jet algorithms fail to provide an infrared safe way of making this distinction . we examine the origin of the problem , and propose a solution in terms of a new ` fla...
1107.4029	i	when a low to intermediate mass star exhausts its core supply of hydrogen , contraction and heating of the core causes the outer layers of the star to expand and cool , whereby the star becomes a red giant ( rg ) with an average effective temperature of 5000k or lower . once the core temperature rises to about 3@xmath3...	known bright s stars , recognized as such by their enhanced s - process abundances and c / o ratio , are typically members of the asymptotic giant branch ( agb ) or the red giant branch ( rgb ) . few modern digital spectra for these objects have been published , from which intermediate resolution spectral indices and c...	known bright s stars , recognized as such by their enhanced s - process abundances and c / o ratio , are typically members of the asymptotic giant branch ( agb ) or the red giant branch ( rgb ) . few modern digital spectra for these objects have been published , from which intermediate resolution spectral indices and c...
1303.4218	i	multigraphs arise in many applications including modelling transportation networks @xcite , the structure of rna @xcite and in nonparametric statistics @xcite . we use terminology `` multigraphs '' inclusively , with both multiple edges and ( possibly multiple ) loops allowed . we seek an asymptotic enumeration form...	we find an asymptotic expression for the number of multigraphs on the vertex set with degree sequence given by , such that every loop has multiplicity in and every non - loop edge has multiplicity in . equivalently , these are symmetric integer matrices with values allowed on the diagonal and off the diagonal . our ...	let and be subsets of such that and . for infinitely many , let be a vector of nonnegative integers whose sum is even . we find an asymptotic expression for the number of multigraphs on the vertex set with degree sequence given by , such that every loop has multiplicity in and every non - loop edge has multiplicity i...
1006.0444	i	since the seminal work of tutte @xcite maps and graphs on 2-dimensional surfaces have become widely studied combinatorial objects in discrete mathematics . the enumerative and structural problems around maps , i.e. _ embedded _ graphs on a surface , are relatively well settled . starting from the number of planar map...	we study the component structure of . combining counting arguments with analytic techniques , the first one , of width , is analogous to the phase transition observed in the standard random graph models and takes place for , when the largest complex component is formed . then , for , when the complex components cover n...	let be a graph chosen uniformly at random from the family of all labeled planar graphs with vertices and edges . in the paper we study the component structure of . combining counting arguments with analytic techniques , we show that there are two critical periods in the evolution of . the first one , of width , is anal...
1510.00129	i	graph theory provide tools to study the algebraic properties of algebraic structures . in particular , there are several graphs associated with groups to study some specific properties of groups , for instance , intersection graph of subgroups of groups , prime graph of groups , non - commuting graphs of groups and per...	we define the _ coprime graph of subgroups _ of , denoted by , is a graph whose vertex set is the set of all proper subgroups of , and two distinct vertices are adjacent if and only if the order of the corresponding subgroups are coprime . in this paper , we study some connections between algebraic properties of a grou...	let be a group . we define the _ coprime graph of subgroups _ of , denoted by , is a graph whose vertex set is the set of all proper subgroups of , and two distinct vertices are adjacent if and only if the order of the corresponding subgroups are coprime . in this paper , we study some connections between algebraic pro...
1510.00129	r	[ order prime graph of subgroups 14 ] let @xmath40 and @xmath41 be two groups . if @xmath42 , then @xmath43 . let @xmath44 be a group isomorphism . define a map @xmath45 by @xmath46 , for every @xmath47 . since a group isomorphism preserves the order of subgroups , so it follows that @xmath48 is a graph isomorphism . *...	let be a group . [ [ mathematics - subject - classification ] ] mathematics subject classification : + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + 05c25 , 20k27 , 05c69 , 05c10 .	let be a group . we define the _ coprime graph of subgroups _ of , denoted by , is a graph whose vertex set is the set of all proper subgroups of , and two distinct vertices are adjacent if and only if the order of the corresponding subgroups are coprime . in this paper , we study some connections between algebraic pro...
0903.0079	i	an international array of first - generation long - baseline laser interferometric gravitational - wave ( gw ) detectors ( ligo @xcite , virgo @xcite , geo @xcite and tama @xcite ) are reaching their design sensitivities . these michelson interferometers have been built to measure gw - driven relative length change...	this result , along with the prospect for further improvements , heralds the new possibility of experimentally probing macroscopic quantum mechanics ( mqm ) quantum mechanical behavior of objects in the realm of everyday experience using gravitational - wave detectors . in this paper , we provide the mathematical fou...	long - baseline laser - interferometer gravitational - wave detectors are operating at a factor of ( in amplitude ) above the standard quantum limit ( sql ) within a broad frequency band ( in the sense that ) . such a low classical noise budget has already allowed the creation of a controlled 2.7 kg macroscopic oscilla...
1612.07297	i	the last two decades have seen an explosion in the study of complex systems , caused by the increasing relevance for society of such large interconnected structures , and by an unprecedented availability of data to analyze them . many of these systems can be modelled as networks , in which the system elements are repre...	many real - world complex networks exhibit a community structure , in which the modules correspond to actual functional units . identifying these communities is a key challenge for scientists . a common approach is to search for the network partition that maximizes a quality function . here in addition , we show that m...	many real - world complex networks exhibit a community structure , in which the modules correspond to actual functional units . identifying these communities is a key challenge for scientists . a common approach is to search for the network partition that maximizes a quality function . here , we present a detailed anal...
1612.07297	c	communities are a fundamental structure that is often present in real - world complex networks . thus , the ability to accurately and efficiently detect them is of great relevance to the analysis of complex data sets . despite their success , traditional methods based on modularity have been shown to suffer from limita...	, we present a detailed analysis of a recently proposed function , namely modularity density . we show that it does not incur in the drawbacks suffered by traditional modularity , and that it can identify networks without ground - truth community structure , deriving its analytical dependence on link density in generic...	many real - world complex networks exhibit a community structure , in which the modules correspond to actual functional units . identifying these communities is a key challenge for scientists . a common approach is to search for the network partition that maximizes a quality function . here , we present a detailed anal...
1408.4767	i	recently , a class of two - dimensional integrate and fire type models have been developed which can be fit to properties of real neurons . this class of models includes the adapting , leaky integrate and fire neuron ( lif ) @xcite , the izhikevich model @xcite , the quartic integrate and fire model @xcite , and the ad...	mean - field systems have been recently derived that adequately predict the behaviors of large networks of coupled integrate - and - fire neurons . the mean - field system for a network of neurons with spike frequency adaptation is typically a pair of differential equations for the mean adaptation and mean synaptic gat...	mean - field systems have been recently derived that adequately predict the behaviors of large networks of coupled integrate - and - fire neurons . the mean - field system for a network of neurons with spike frequency adaptation is typically a pair of differential equations for the mean adaptation and mean synaptic gat...
1408.4767	c	through our analysis of the mean field systems for large networks of coupled neurons , a number of new non - smooth bifurcations have been discovered that have been previously been unknown in the literature . these include two co - dimension 1 branches of boundary equilibrium bifurcations that have homoclinic limit cyc...	these two co - dimension 2 bifurcations can coalesce into a co - dimension 3 non - smooth bifurcation . as the mean - field system we study is a non - generic piecewise smooth continuous system , we discuss possible regularizations of this system and how the bifurcations which occur are related to non - smooth bifurcat...	mean - field systems have been recently derived that adequately predict the behaviors of large networks of coupled integrate - and - fire neurons . the mean - field system for a network of neurons with spike frequency adaptation is typically a pair of differential equations for the mean adaptation and mean synaptic gat...
cs0609148	i	although low - density parity - check block codes ( ldpc - bcs ) have very good performance under message - passing iterative ( mpi ) decoding , they are known to be subject to decoding failures due to so - called pseudo - codewords . these are real - valued vectors that can be loosely described as error patterns that ...	message - passing iterative decoders for low - density parity - check ( ldpc ) block codes are known to be subject to decoding failures due to so - called pseudo - codewords . these failures can cause the large signal - to - noise ratio performance of message - passing iterative decoding to be worse than that predicted...	message - passing iterative decoders for low - density parity - check ( ldpc ) block codes are known to be subject to decoding failures due to so - called pseudo - codewords . these failures can cause the large signal - to - noise ratio performance of message - passing iterative decoding to be worse than that predicted...
astro-ph0009078	i	ngc 1068 is a nearby heavily obscured seyfert 2 galaxy with a bright active galactic nucleus ( agn ) which has been studied in nearly every available wavelength band and at many spatial resolutions . its classification as a seyfert 2 nucleus rests on the basis of narrow emission lines . antonucci & miller ( 1985 ) h...	mid - infrared observations of the central source of ngc 1068 have been obtained with a spatial resolution in the deconvolved image of 0.1 ( pc ) . about two - thirds of its flux can be ascribed to a core structure which is itself elongated north - south and does not show a distinct unresolved compact source .	mid - infrared observations of the central source of ngc 1068 have been obtained with a spatial resolution in the deconvolved image of 0.1 ( pc ) . the central source is extended by in the north - south direction but appears unresolved in the east - west direction over most of its length . about two - thirds of its f...
astro-ph0009078	c	an overview of the energetics of ngc 1068 and how the present observations fit into the luminosity of ngc 1068 is provided by figure 2 which compares the flux per octave of the keck observations with the overall spectral energy distribution measured from ngc 1068 . the latter has been determined from the published ...	the source is strongly asymmetric , extending significantly further to the north than to the south . the morphology of the mid - infrared emission appears similar to that of the radio jet , and has features which correlate with the images in [ oiii ] . there are , however , detailed difficulties with existing models , ...	mid - infrared observations of the central source of ngc 1068 have been obtained with a spatial resolution in the deconvolved image of 0.1 ( pc ) . the central source is extended by in the north - south direction but appears unresolved in the east - west direction over most of its length . about two - thirds of its f...
astro-ph0009078	i	\1 ) mid - infrared observations of ngc 1068 at the diffraction limit of the keck 10-m telescope show a bright core containing about 1/3 the total flux accompanied by north - south emission about 70 pc long which is unresolved in the east west direction . thus most of the emission from the nuclear region of ngc 1068...	its 12.524.5 m color temperature ranges from 215 to 260k and does not decrease smoothly with distance from the core . silicate absorption is strongest in the core and to the south and is small in the north . the core , apparently containing two - thirds of the bolometric luminosity of the inner 4 diameter area , ma...	mid - infrared observations of the central source of ngc 1068 have been obtained with a spatial resolution in the deconvolved image of 0.1 ( pc ) . the central source is extended by in the north - south direction but appears unresolved in the east - west direction over most of its length . about two - thirds of its f...
astro-ph9903158	i	most attempts at modeling the emission from accreting black hole systems typically assume that the particle energy distribution responsible for the emission is either purely `` thermal '' ( i.e. , a maxwellian ) or purely `` non - thermal '' ( i.e. , a power law ) . this is partly due to the desire for convenience and ...	here , i review the arguments for `` thermal '' versus `` non - thermal '' plasmas in accreting black hole systems and discuss the physics and emission properties of `` hybrid '' plasmas , where the particle distribution energy is approximately a maxwellian plus a power law tail . using results from a new emission code...	models of the continuum radiation from accreting hot plasmas typically assume that the plasma heating mechanism produces energetic particles distributed in energy either as a maxwellian ( the `` thermal '' models ) or as an extended power law ( the `` non - thermal '' models ) . the reality , however , is that neither ...
astro-ph9903158	i	most attempts at modeling the emission from accreting black hole systems have typically assumed the underlying particle energy distribution is either a maxwellian ( `` thermal '' ) or a power law ( `` non - thermal '' ) . while such an assumption may be convenient analytically , it is no longer required given the adven...	models of the continuum radiation from accreting hot plasmas typically assume that the plasma heating mechanism produces energetic particles distributed in energy either as a maxwellian ( the `` thermal '' models ) or as an extended power law ( the `` non - thermal '' models ) . the reality , however , is that neither ...	models of the continuum radiation from accreting hot plasmas typically assume that the plasma heating mechanism produces energetic particles distributed in energy either as a maxwellian ( the `` thermal '' models ) or as an extended power law ( the `` non - thermal '' models ) . the reality , however , is that neither ...
hep-ph0608140	i	theoretical models constructed to understand physics beyond the standard model ( sm ) ( most notably string theory ) frequently imply the existence of extra dimensions . it has been a particular challenge in phenomenology to understand how these extra dimensions would be realized and manifested in our observable @xmath...	models of universal extra dimensions ( ued ) at the tev scale lead to the presence of kaluza klein ( kk ) excitations of the ordinary fermions and bosons of the standard model that may be observed at hadron and lepton colliders . a conserved discrete symmetry , kk - parity , ensures the stability of the lightest kk par...	models of universal extra dimensions ( ued ) at the tev scale lead to the presence of kaluza klein ( kk ) excitations of the ordinary fermions and bosons of the standard model that may be observed at hadron and lepton colliders . a conserved discrete symmetry , kk - parity , ensures the stability of the lightest kk par...
1602.00656	i	bulk iron selenide ( fese ) is an unconventional superconductor with a relatively modest transition temperature @xmath4 k at ambient pressures @xcite ; however , its @xmath5 can be increased by upwards of a factor of ten when a monolayer of fese is deposited on srtio@xmath6 ( sto ) @xcite or batio@xmath6 ( bto ) substr...	a number of proposals have been advanced for the mechanism of this enhancement . motivated by this , we explore the consequences of such an interaction on the superconducting state and electronic structure of a two - dimensional system using migdal - eliashberg theory . we also discuss the applicability of migdal - eli...	mono- and multilayer fese thin films grown on srtio and bitio substrates exhibit a greatly enhanced superconductivity over that found in bulk fese . a number of proposals have been advanced for the mechanism of this enhancement . one possibility is the introduction of a cross - interface electron - phonon (- ) interact...
1602.00656	r	we begin by presenting details of the spectral properties of our model , which illustrates the formation of the replica bands . this section will also serve to briefly review some of our results from ref [ fig : akw ] shows @xmath105 for @xmath113 and @xmath114 . results are shown for @xmath106 k @xmath115 k , and th...	one possibility is the introduction of a cross - interface electron - phonon (- ) interaction between the fese electrons and oxygen phonons in the substrates that is peaked in the forward scattering ( small direction due to the two - dimensional nature of the interface system . this interaction produces not only deviat...	mono- and multilayer fese thin films grown on srtio and bitio substrates exhibit a greatly enhanced superconductivity over that found in bulk fese . a number of proposals have been advanced for the mechanism of this enhancement . one possibility is the introduction of a cross - interface electron - phonon (- ) interact...
math-ph0702005	i	@xmath0 `` numerical ranges and @xmath0 '' numerical radii @xcite naturally relate to optimization problems on the unitary orbit of a given matrix . a particularly interesting class of applications concerns quantum systems as shown in more detail in the accompanying paper @xcite . this is because quantum dynamics and...	motivated by applications in quantum information and quantum control , a new type of `` numerical range , the relative '' numerical range denoted , is introduced . furthermore , we concentrate on the subgroup , i.e. the-fold tensor product of , which is of particular interest in applications . in this case , sufficie...	motivated by applications in quantum information and quantum control , a new type of `` numerical range , the relative '' numerical range denoted , is introduced . it arises upon replacing the unitary group in the definition of the classical " numerical range by any of its compact and connected subgroups . the ge...
1105.0484	r	the model is defined on a 1d lattice . at any time @xmath0 , a lattice site @xmath1 has @xmath2 particles of type @xmath3 and @xmath4 particles of type @xmath5 . we start with an empty lattice with @xmath6 sites at @xmath7 . at each instant , a site @xmath1 is chosen at random and one of the following moves ( illustrat...	it is found that , depending on the rates of various processes and the asymmetry in the hopping , the system may exist either in a steady phase , in which the average mass at each site attains a time - independent value , or in a `` growing '' phase , in which the total mass grows indefinitely in time , even in a finit...	motivated by the phenomenology of transport through the golgi apparatus of cells , we study a multi - species model with boundary injection of one species of particle , interconversion between the different species of particle , and driven diffusive movement of particles through the system by chipping of a single parti...
1105.0484	c	[ [ section-46 ] ] in this paper , motivated by the phenomenology of traffic in the golgi apparatus of the cell , we have studied a stochastic two - species model with boundary injection of type a , interconversion between types a and b , and transport of both species through the lattice ( in general , in a driven d...	motivated by the phenomenology of transport through the golgi apparatus of cells , we study a multi - species model with boundary injection of one species of particle , interconversion between the different species of particle , and driven diffusive movement of particles through the system by chipping of a single parti...	motivated by the phenomenology of transport through the golgi apparatus of cells , we study a multi - species model with boundary injection of one species of particle , interconversion between the different species of particle , and driven diffusive movement of particles through the system by chipping of a single parti...
1011.0996	i	there has been recent progress in understanding the phase diagram of higher - dimensional asymptotically flat vacuum black holes . the purpose of this work is to extend some of the techniques used to the case of asymptotically anti - de sitter ( ads ) black holes . let us first review the asymptotically flat case . whi...	myers - perry black holes with a single spin in have been shown to be unstable if rotating sufficiently rapidly . we extend the numerical analysis which allowed for that result to the asymptotically ads case . we determine numerically the stationary perturbations that mark the onset of the instabilities for the modes t...	myers - perry black holes with a single spin in have been shown to be unstable if rotating sufficiently rapidly . we extend the numerical analysis which allowed for that result to the asymptotically ads case . we determine numerically the stationary perturbations that mark the onset of the instabilities for the modes t...
1608.03673	i	near earth objects ( neos ) are small solar system bodies whose orbits bring them close to the earth s orbit . neos lie at the intersection of science , space exploration , and civil defense . because neos are constantly being replenished from sources elsewhere in the solar system , they act as compositional and dynami...	near earth objects ( neos ) are small solar system bodies whose orbits bring them close to the earth s orbit . we are carrying out a warm spitzer cycle 11 exploration science program entitled neosurvey a fast and efficient flux - limited survey of 597 known neos in which we derive diameter and albedo for each target...	near earth objects ( neos ) are small solar system bodies whose orbits bring them close to the earth s orbit . we are carrying out a warm spitzer cycle 11 exploration science program entitled neosurvey a fast and efficient flux - limited survey of 597 known neos in which we derive diameter and albedo for each target...
astro-ph0611226	i	theory suggests that supernovae and/or winds from massive stars existing in clusters confined to the disk of the galaxy produce bubbles in the interstellar medium which expand , becoming superbubbles , and burst out of the galactic disk producing collimated outflows into the galactic halo ( norman & ikeuchi 1989 ; teno...	new observations at high latitudes above the region w4 show that the structure formerly identified as a chimney candidate , an opening to the galactic halo , is instead a superbubble in the process of fragmenting and possibly evolving into a chimney . we explore the connection between w4 and the galactic halo , consid...	new observations at high latitudes above the region w4 show that the structure formerly identified as a chimney candidate , an opening to the galactic halo , is instead a superbubble in the process of fragmenting and possibly evolving into a chimney . data at high galactic latitudes ( ) above the w3/w4 star forming re...
astro-ph0611226	r	mosaics showing the spectral line emission at velocities of interest are shown in figures [ fig : hi-43.40_general ] , [ fig : hi-43.40_faint ] , [ fig : hi-40 ] , and [ fig : hi-48 ] . the mosaics of continuum emission at 408 mhz and 1420 mhz , stokes i , q and u are presented in figures [ fig:408 ] through [ fig :...	data at high galactic latitudes ( ) above the w3/w4 star forming region at 1420 and 408 mhz stokes i ( total power ) and 1420 mhz stokes q and u ( linear polarization ) reveal an egg - shaped structure with morphological correlations between our data and the data of dennison , topasna , & simonetti . we conclude that ...	new observations at high latitudes above the region w4 show that the structure formerly identified as a chimney candidate , an opening to the galactic halo , is instead a superbubble in the process of fragmenting and possibly evolving into a chimney . data at high galactic latitudes ( ) above the w3/w4 star forming re...