Free-Form and Hybrid Lens Models for SDSS J1004+4112: Substructure and Central Image Time Delay Constraints
Perera, D., Williams, L.L.R., Liesenborgs, J., Ghosh, A., Saha, P. 2023, MNRAS, submitted
Image Flux Ratios of Gravitationally Lensed HS 0810+2554 with High Resolution Infrared Imaging
Terry Jay Jones, Liliya L. R. Williams, Steve Ertel, Philip M. Hinz, Amali Vaz, Shane Walsh, Ryan Webster. 2019, AJ, 158, 237
The role of multiple images and model priors in measuring H0 from supernova Refsdal in galaxy cluster MACS J1149.5+2223
Williams, L.L.R., Liesenborgs, J. 2019, MNRAS, 482, 5666
Testing the uniqueness of gravitational lens mass models
Walls, Levi G., Williams, Liliya L. R. 2018, MNRAS, 481, 655
The impact of ΛCDM substructure and baryon-dark matter transition on the image positions of quad galaxy lenses
Gomer, Matthew R; Williams, Liliya L. R. 2018, MNRAS, 475, 1987
Evidence for the line of sight structure in the largest Hubble Frontier Field cluster, MACSJ0717.5+3745
Williams, Liliya L. R., Sebesta, Kevin, Liesenborgs, Jori. 2018, MNRAS, 480, 3140
Dynamics of merging: Post-merger mixing and relaxation of an Illustris galaxy
Anthony M. Young, Liliya L. R. Williams, Jens Hjorth. 2018, JCAP, 02, 033
Dark matter dynamics in Abell 3827: new data consistent with standard Cold Dark Matter
R. Massey, D. Harvey, J. Liesenborgs, J. Richard, S. Stach, M. Swinbank, P. Taylor, L.L.R. Williams, D. Clowe, F. Courbin, A. Edge, H. Israel, M. Jauzac, R. Joseph, E. Jullo, T.D. Kitching, A. Leonard, J. Merten, D. Nagai, J. Nightingale, James; A. Robertson, L.J. Romualdez, P. Saha, R. Smit, S. Ieng Tam, E. Tittley. 2018, MNRAS, 477, 669
Two Peculiar Fast Transients in a Strongly Lensed Host Galaxy
S. A. Rodney, I. Balestra, M. Bradac, G. Brammer, T. Broadhurst, G. B. Caminha, G. Chirivi, J. M. Diego, A. V. Filippenko, R. J. Foley, O. Graur, C. Grillo, S. Hemmati, J. Hjorth, A. Hoag, M. Jauzac, S. W. Jha, R. Kawamata, P. L. Kelly, C. McCully, B. Mobasher, A. Molino, M. Oguri, J. Richard, A. G. Riess, P. Rosati, K. B. Schmidt, J. Selsing, K. Sharon, L.-G. Strolger, S. H. Suyu, T. Treu, B. J. Weiner, L. L. R. Williams, A. Zitrin. 2018, NatAs, 2, 324
Dark matter under the microscope: Constraining compact dark matter with caustic crossing events
Jose M. Diego, Nick Kaiser, Tom Broadhurst, Patrick L. Kelly, Steve Rodney, Takahiro Morishita, Masamune Oguri, Timothy W. Ross, Adi Zitrin, Mathilde Jauzac, Johan Richard, Liliya Williams, Jesus Vega, Brenda Frye, Alexei V. Filipenko. 2018, ApJ, 857, 25
The Frontier Fields Lens Modeling Comparison Project
M. Meneghetti, P. Natarajan, D. Coe, E. Contini, G. De Lucia, C. Giocoli, A. Acebron, S. Borgani, M. Bradac, J. M. Diego, A. Hoag, M. Ishigaki, T. L. Johnson, E. Jullo, R. Kawamata, D. Lam, M. Limousin, J. Liesenborgs, M. Oguri, K. Sebesta, K. Sharon, L. L. R. Williams, A. Zitrin. 2017, MNRAS, 472, 3177
Lens Models Under the Microscope: Comparison of Hubble Frontier Field Cluster Magnification Maps
Priewe, J., Williams, L. L. R., Liesenborgs, J., Coe, D., Rodney, S. A. 2017, MNRAS, 465, 1030
Ubiquity of density slope oscillations in the central regions of galaxy and cluster-sized systems
Young, A. M., Williams, L. L. R., Hjorth, J. 2016, JCAP, 5, 10
Testing DARKexp against energy and density distributions of Millennium-II halos
Nolting, C., Williams, L.L.R., Boylan-Kolchin, M., Hjorth, J. 2016, JCAP, 9, 42
Quantifying substructures in Hubble Frontier Field clusters: comparison with LCDM simulations
Mohammed, I., Saha, P., Williams, L.L.R., Liesenborgs, J. Sebesta, K. 2016, MNRAS, 459, 1698
Testing light-traces-mass in Hubble Frontier Fields Cluster MACS-J0416.1-2403
Sebesta, K., Williams, L.L.R., Mohammed, I., Saha, P., Liesenborgs, J. 2016, MNRAS, 461, 2126
Non-universality of dark-matter halos: cusps, cores and the central potential
Hjorth, J., Williams, L.L.R., Wojtak, R., McLaughlin. M. 2015, ApJ, 811, 2
Illuminating a Dark Lens : A Type Ia Supernova Magnified by the Frontier Fields Galaxy Cluster Abell 2744
Rodney, S. A., Patel, B., Scolnic, D., Foley, R. J., Molino, A., Brammer, G., Jauzac, M., Bradac, M., Broadhurst, T., Coe, D., Diego, J. M., Graur, O., Hjorth, J., Hoag, A., Jha, S. W., Johnson, T. L., Kelly, P., Lam, D., McCully, C., Medezinski, E., Meneghetti, M., Merten, J., Richard, J., Riess, A., Sharon, K., Strolger, L.-G., Treu, T., Wang, X., Williams, L. L. R., Zitrin, A. 2015, ApJ, 811, 70
Model-free analysis of quadruply imaged gravitationally lensed systems and substructured galaxies
Woldensenbet, A.G., Williams, L.L.R. 2015, MNRAS, 454, 862
The behaviour of dark matter associated with 4 bright cluster galaxies in the 10kpc core of Abell 3827
Massey, R., Williams, L.L.R., et al. 2015, MNRAS, 449, 3393
Mass-Galaxy offsets in Abell 3827, 2218 and 1689: intrinsic properties or line-of-sight substructures?
Mohammed, I., Liesenborgs, J., Saha, P., Williams, L.L.R. 2014, MNRAS, 439, 2651
Statistical Mechanics of Collisionless Orbits. IV. Distribution of Angular Momentum
Williams, L.L.R., Hjorth, J., Wojtak, R. 2014, ApJ, 783, 13
Collisionless dynamics in Globular Clusters
Williams, L.L.R., Barnes, E.I., Hjorth, J. 2012, MNRAS, 423, 3589
Entropy Production in Collisionless Systems. II. Arbitrary Phase-Space Occupation Numbers
Barnes, E.I., Williams, L.L.R. 2012, ApJ, 748, 144
Surface Brightness and Intrinsic Luminosity of Ellipticals
Dhar, B.K., Williams, L.L.R., 2012, MNRAS, 427, 204
The Fundamental Surface of Quad Lenses
Woldesenbet, A.G., Williams, L.L.R. 2012, MNRAS, 420, 2944
Light/Mass Offsets in the Lensing Cluster Abell 3827: Evidence for Collisional Dark Matter?
Williams, L.L.R., Saha, P. 2011, MNRAS, 415, 448
Entropy Production in Collisionless Systems. I. Large Phase-Space Occupation Numbers
Barnes, E.I., Williams, L.L.R. 2011, ApJ, 728, 136
Statistical Mechanics of Collisionless Orbits. III. Comparison with N-body Simulations
Williams, L.L.R., Hjorth, J., Wojtak, R. 2010, ApJ, 725, 282
Statistical Mechanics of Collisionless Orbits. II. Structure of Halos
Williams, L.L.R., Hjorth, J. 2010, ApJ, 722, 856
Statistical Mechanics of Collisionless Orbits. I. Origin of Central Cusps in Dark-matter Halos
Hjorth, J., Williams, L.L.R. 2010, ApJ, 722, 851
Understanding micro-image configurations in quasar microlensing
Saha, P., Williams, L.L.R., 2011, MNRAS, 411, 1671
Surface mass density of the Einasto family of dark matter haloes: are they Sersic-like?
Dhar, B,K., Williams, L.L.R., 2010, MNRAS, 405, 340
The Radial Orbit Instability in Collisionless N-Body Simulations
Barnes, E.I., P.A. Lanzel, L.L.R. Williams. 2009, ApJ, 704, 372
Dark Matter Angular Momentum Profile from the Jeans Equation
Kasper B. Schmidt, Steen H. Hansen, Jin H. An, Liliya L. R. Williams, Andrea V. Macci'o.
2009, ApJ, 694, 893
Lensed Image Angles: New Statistical Evidence for Substructure
(better quality figures: here)
L.L.R. Williams, P. Foley, D. Farnsworth, J. Belter.
2008, ApJ, 685, 725
The Role of the Radial Orbit Instability in the Dark Matter Halo Formation and Structure
J.M. Bellovary, J.J. Dalcanton, A. Babul, T.R. Quinn, R.W. Maas,
C.G. Austin, L.L.R. Williams, and E.I. Barnes. 2008, ApJ.
Extragalactic Radio Sources and the WMAP Cold Spot
Lawrence Rudnick, Shea Brown, Liliya L. R. Williams. 2008, ApJ.
Meso-structure in three strong-lensing systems
P. Saha, L.L.R. Williams, I. Ferreras. 2007, ApJ.
Velocity Distributions from Nonextensive Thermodynamics
Eric I. Barnes, Liliya L. R. Williams, Arif Babul, Julianne J. Dalcanton. 2007, ApJ.
Two strong-lensing clusters confront universal dark-matter profiles
P. Saha, J.I. Read, L.L.R. Williams. 2006, ApJ.
Density Profiles of Collisionless Equilibria. II. Anisotropic Spherical Systems
Eric I. Barnes, Liliya L. R. Williams, Arif Babul, Julianne J. Dalcanton. 2007, ApJ, 654, 814
Gravitational lensing model degeneracies: Is steepness all-important?
P. Saha, L.L.R. Williams. 2006, ApJ.
The Hubble time inferred from 10 time-delay lenses
P. Saha, J. Coles, A.V. Maccio', L.L.R. Williams. 2006
Density Profiles of Collisionless Equilibria. I. Spherical Isotropic Systems
Eric I. Barnes, Liliya L. R. Williams, Arif Babul, Julianne J. Dalcanton. 2006, ApJ, 643, 797
Scalelengths in Dark Matter Halos
Eric I. Barnes, Liliya L. R. Williams, Arif Babul, Julianne J. Dalcanton. 2005, ApJ, 634, 775
Galaxy-Quasar correlations between APM galaxies and Hamburg-ESO QSOs
Joshua G. Nollenberg, Liliya L.R. Williams. 2005
Semi-analytical dark matter halos and the Jeans equation
Crystal G. Austin, Liliya L.R. Williams, Eric I. Barnes, Arif Babul, Julianne J. Dalcanton. 2005, ApJ, 634, 756
Stellar and total mass in early-type lensing galaxies
Ignacio Ferreras, Prasenjit Saha, Liliya L. R. Williams. 2005
Models of the Giant Quadruple Quasar SDSS J1004+4112
L.L.R. Williams, P. Saha. 2004, AJ, to appear in January 2005 issue
Weak lensing of the high redshift SNIa sample
L.L.R. Williams, J. Song. 2004, MNRAS, 351, 1387
A portable modeler of lensed quasars
P. Saha, L.L.R. Williams. 2004, AJ, 127, 2604
Investigating the origins of dark matter halo profiles
L.L.R. Williams, A. Babul, J.J. Dalcanton. 2004, ApJ, 604, 18
Is B1422+231 a Golden Lens?
S. Raychaudhury, P. Saha, L.L.R. Williams. 2003, AJ, 126, 29
Determination of reddening and extiction due to dust in APM galaxy clusters
J.G. Nollenberg, L.L.R. Williams, S.J. Maddox. 2003, AJ, 125, 2927
Qualitative Theory for Lensed QSOs
P. Saha, L.L.R. Williams. 2003, AJ, 125, 2769
Angular Distribution of Gamma-ray Bursts and Weak Lensing
L.L.R. Williams, N. Frey. 2003, ApJ, 583, 594
Beware the Non-Uniqueness of Einstein Rings
P. Saha, L.L.R. Williams. 2001, AJ, 122, 585
Pixelated Lenses and Estimates of H_0 from Time-delay Quasars
L.L.R. Williams, P.Saha. 2000, AJ, 119, 439
Large Scale QSO-Galaxy Correlations and Weak Lensing
L.L.R. Williams. 2000, ApJ, 535, 37
Weak Lensing Induced Correlations between 1Jy QSOs and
APM galaxies on Angular Scales of a Degree
D.J. Norman, L.L.R. Williams. 2000, AJ, 119, 2060
The core structure of Galaxy Clusters from Gravitational Lensing
L.L.R. Williams, J.F. Navarro, M. Bartelmann. 1999, ApJ, 527, 535
Non-parametric Reconstruction of Abell 2218 from Combined Weak and Strong Lensing
H.M. AbdelSalam, P. Saha, L.L.R. Williams. 1998, AJ, 116, 1541
Angular correlations between LBQS and APM: Weak Lensing by the Large Scale Structure
L.L.R. Williams, M.J. Irwin. 1998, MNRAS, 298, 378
Measurement of the Hubble Constant Via Gravitational Lensing -
A Review of the Jodrell Bank ``Golden Lenses'' Workshop
L.L.R. Williams, P.L. Schechter, 1997, Astronomy & Geophysics (a journal
of the RAS), Vol. 38 Issue 5, 10
Non-parametric Reconstruction of Cluster Mass Distribution from Strong Lensing: Modelling Abell 370
H.M. AbdelSalam, P. Saha, L.L.R. Williams. 1997, MNRAS, 294, 734
Image Separation vs. Redshift of Lensed QSOs: Implications for Galaxy Mass Profiles
L.L.R. Williams. 1997, MNRAS, 292, L27
Non-parametric reconstruction of the galaxy lens in PG1115+080
P. Saha, L.L.R. Williams. 1997, MNRAS, 292,148
Undistorted Lensed Images in Galaxy Clusters
L.L.R. Williams, G.F.Lewis. 1997, MNRAS, 294, 299
Distortion of Gamma-Ray Burst Light Curves by Gravitational Microlensing
L.L.R. Williams, R.A.M.J. Wijers, MNRAS, 286, L11
The Giant Proto-Galaxy cB58; an Artifact of Gravitational Lensing?
L.L.R. Williams, G.F.Lewis. 1996, MNRAS, 281, L35
Is the Rapid Radio Variability Seen in PKS 0537-441 Due To Microlensing?
G.F.Lewis, L.L.R. Williams. 1996, MNRAS, 287, 155
The Effect of Weak Gravitational Lensing on the
Angular Distribution of Gamma-Ray Bursts
L.L.R. Williams. 1996, ApJ, 472, 497
Improper Motions in Lensed QSOs
L.L.R. Williams, P. Saha. 1995, AJ, 110, 1471
Statistical Association of QSOs with Foreground Galaxy Clusters
L.L. Rodrigues-Williams, C.J. Hogan. 1994, AJ, 107, 451
Absorption-line Profiles in a Companion Spectrum of a Mass-losing Cool Supergiant
L.L. Rodrigues, E. Bohm-Vitense. 1992, ApJ, 401, 695
Test Particle Orbits in a Roche Model of a Semidetached Binary: An Attempt to Explain Gamma-Ray Bursts
L.L. Rodrigues. 1989, AJ, 98, 2280
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