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19932026
most citedFirst M87 Event Horizon Telescope Results. I. The Shadow of the Supermassive Black Hole

4.3k citations

Showing 2011Show all

115 papers · 1 filter

cs.DB2011

B+-tree Index Optimization by Exploiting Internal Parallelism of Flash-based Solid State Drives

Hongchan Roh, Sanghyun Park, Sungho Kim +2

Previous research addressed the potential problems of the hard-disk oriented design of DBMSs of flashSSDs. In this paper, we focus on exploiting potential benefits of flashSSDs. Fi…

hep-ph2011★ 5 cited

Discrimination of the light CP-odd scalars between in the NMSSM and in the SLHM

C. S. Kim, Kang Young Lee, Jubin Park

The presence of the light CP-odd scalar boson predicted in the next-to-minimal supersymmetric model (NMSSM) and the simplest little Higgs model (SLHM) dramatically changes the phen…

astro-ph.IM2011★ 274 cited

New air fluorescence detectors employed in the Telescope Array experiment

H. Tokuno, Y. Tameda, M. Takeda +134

Since 2007, the Telescope Array (TA) experiment, based in Utah, USA, has been observing ultra high energy cosmic rays to understand their origins. The experiment involves a surface…

cond-mat.mtrl-sci2011★ 55 cited

Observation of warping effects in the band and angular momentum structures of topological insulator Bi2Te3

Wonsig Jung, Yeongkwan Kim, Beomyoung Kim +10

We performed angle resolved photoemission (ARPES) experiments on Bi2Te3 with circularly polarized light. ARPES data show very strong circular dichroism, indicating existence of orb…

cond-mat.mtrl-sci2011★ 91 cited

Spin and Orbital Angular Momentum Structures of Cu(111) and Au(111) Surface States

Beomyoung Kim, Choong H. Kim, Panjin Kim +9

We performed angle resolved photoemission (ARPES) studies on Cu(111) and Au(111) surface states with circularly polarized light. Existence of local orbital angular momentum (OAM) i…

math.AP2011★ 13 cited

Sharp estimates for the Neumann functions and applications to quantitative photo-acoustic imaging in inhomogeneous media

Habib Ammari, Hyeonbae Kang, Seick Kim

We obtain sharp and Hölder estimates for the Neumann function of the operator on a bounded domain. We also obtain quantitative description of its…

astro-ph.CO2011★ 4 cited

Ultraviolet color-color relation of early-type galaxies at 0.05 < z < 0.12

Chang H. Ree, Hyunjin Jeong, Kyuseok Oh +4

We present the ultraviolet (UV) color-color relation of early-type galaxies (ETGs) in the nearby universe (0.05 < z < 0.12) to investigate the properties of hot stellar populations…

cond-mat.mes-hall2011★ 409 cited

Graphyne: Hexagonal network of carbon with versatile Dirac cones

Bog G. Kim, Hyoung Joon Choi

We study alpha, beta, and gamma graphyne, a class of graphene allotropes with carbon triple bonds, using a first-principles density-functional method and tight-binding calculation.…

math.AP2011★ 20 cited

Neumann functions for second order elliptic systems with measurable coefficients

Jongkeun Choi, Seick Kim

We study Neumann functions for divergence form, second order elliptic systems with bounded measurable coefficients in a bounded Lipschitz domain or a Lipschitz graph domain. We est…

nucl-ex2011★ 52 cited

Light vector meson production in pp collisions at = 7 TeV

ALICE Collaboration

The ALICE experiment has measured low-mass dimuon production in pp collisions at TeV in the dimuon rapidity region 2.5<y<4. The observed dimuon mass spectrum is desc…

hep-ex2011★ 59 cited

Underlying Event measurements in pp collisions at = 0.9 and 7 TeV with the ALICE experiment at the LHC

ALICE collaboration

We present measurements of Underlying Event observables in pp collisions at = 0.9 and 7 TeV. The analysis is performed as a function of the highest charged-particle tran…

astro-ph.CO2011★ 18 cited

AKARI Observation of the North Ecliptic Pole (NEP) Supercluster at z = 0.087: mid-infrared view of transition galaxies

Jongwan Ko, Myungshin Im, Hyung Mok Lee +12

We present the mid-infrared (MIR) properties of galaxies within a supercluster in the North Ecliptic Pole region at z?0.087 observed with the AKARI satellite. We use data from the…

astro-ph.CO2011★ 75 cited

Ram pressure stripping of the multiphase ISM and star formation in the Virgo spiral galaxy NGC 4330

B. Vollmer, M. Soida, J. Braine +6

It has been shown that the Virgo spiral galaxy NGC 4330 shows signs of ongoing ram pressure stripping in multiple wavelengths: at the leading edge of the interaction, the Halpha an…

astro-ph.GA2011★ 126 cited

Bar effects on central star formation and AGN activity

Seulhee Oh, Kyuseok Oh, Sukyoung K. Yi

Galactic bars are often suspected to be a channel of gas inflow to the galactic center and trigger central star formation and active galactic nuclei (AGN) activity. However, the cu…

hep-th2011★ 17 cited

Noncritical Einstein-Weyl Gravity and the AdS/CFT Correspondence

Seungjoon Hyun, Wooje Jang, Jaehoon Jeong +1

We explore four-dimensional Einstein-Weyl gravity and supergravity on anti-de Sitter spacetime. For a specific range of the coupling with appropriate boundary conditions, we show t…

cs.IT2011★ 6 cited

Repeated Games With Intervention: Theory and Applications in Communications

Yuanzhang Xiao, Jaeok Park, Mihaela van der Schaar

In communication systems where users share common resources, users' selfish behavior usually results in suboptimal resource utilization. There have been extensive works that model…

cs.DM2011

A Diameter-Revealing Proof of the Bondy-Lovász Lemma

Hyung-Chan An, Robert Kleinberg

We present a strengthened version of a lemma due to Bondy and Lovász. This lemma establishes the connectivity of a certain graph whose nodes correspond to the spanning trees of a 2…

hep-ex2011★ 141 cited

J/ polarization in pp collisions at TeV

ALICE Collaboration

We have studied J/psi production in pp collisions at TeV at the LHC through its muon pair decay. The polar and azimuthal angle distributions of the decay muons were me…

math.LO2011★ 25 cited

Tree indiscernibilities, revisited

Byunghan Kim, Hyeung-Joon Kim, Lynn Scow

We give definitions that distinguish between two notions of indiscernibility for a set $\{a_η\mid η\in \W\}$ that saw original use in \cite{sh90}, which we name \textit{$\s$-} and…

astro-ph.CO2011★ 106 cited

The Lick AGN Monitoring Project 2011: Reverberation Mapping of Markarian 50

A. J. Barth, A. Pancoast, S. J. Thorman +46

The Lick AGN Monitoring Project 2011 observing campaign was carried out over the course of 11 weeks in Spring 2011. Here we present the first results from this program, a measureme…

astro-ph.IM2011★ 62 cited

Single dish performance of KVN 21-m radio telescopes:Simultaneous observations at 22 and 43 GHz

Sang-Sung Lee, Do-Young Byun, Chung Sik Oh +30

We report simultaneous multi-frequency observing performance at 22 and 43 GHz of the 21-m shaped-Cassegrain radio telescopes of the Korean VLBI Network (KVN). KVN is the first mill…

hep-ex2011★ 610 cited

Observation of two charged bottomonium-like resonances in Y(5S) decays

the Belle Collaboration

We report the observation of two narrow structures in the mass spectra of the pi+-Y(nS) (n=1,2,3) and pi+-hb(mP)(m$ (m=1,2) pairs that are produced in association with a single cha…

hep-ex2011★ 12 cited

Evidence for Direct CP Violation in and Observation of

C. -T. Hoi, P. Chang

We report measurements of the branching fractions and CP asymmetries for B^+- -> eta h^+- (h = K or pi) and the observation of the decay B^0 -> eta K^0 from the final data sample o…

hep-ex2011★ 21 cited

Search for CP Violation in D Meson Decays to phi pi+

Belle Collaboration, M. Starič, H. Aihara +132

We search for CP violation in Cabibbo-suppressed charged D meson decays by measuring the difference between the CP violating asymmetries for the Cabibbo-suppressed decays D+ -> K+K…