Talks

2022

  • Modeling the Sky with All Available Data
    at University of Montreal, Canada on 01.09.2022 (invited)
  • (De)Blending and SCARLET (Lite)

    DESC meeting plenary

    at University of Chicago (virtual) on 04.08.2022 (invited)
  • Introduction to Statistics

    USRP seminar

    at Princeton University on 28.06.2022
  • Deep learning for modeling and inference of the hydrologic pressure field

    MODFLOW and More conference

    at Princeton University on 08.06.2022 (invited)
  • Visualizing data

    USRP seminar

    at Princeton University on 07.06.2022
  • Bayesian Inference/Markov Chain Monte Carlo/Simulation-based Inference

    Data-X workshop

    at Princeton University on 13.05.2022 (invited)
  • The Data Revolution in Astrophysics

    Colloquium

    at IfA Hawai'i (virtual) on 09.03.2022 (invited)
  • Joint Survey Processing for Weak Lensing

    239th AAS meeting

    (virtual) on 11.01.2022 (invited)

2021

  • Principles of Physics-based Machine Learning

    Special Astrophysics Colloquium

    at Princeton University on 21.10.2021
  • Neural Spectrum Encoding

    Debating the Potential of Machine Learning in Astronomical Surveys

    in Paris, France (virtual) on 20.10.2021
  • The Data Revolution in Astrophysics

    Astronomy Colloquium

    at University of Massachusetts, Amherst on 07.10.2021 (invited)
  • Deblending

    CSST-Euclid-Roman Workshop

    (virtual) on 21.06.2021 (invited)
  • Principled Approach to Deblending
    at Leiden Observatory (virtual) on 18.02.2021 (invited)
  • What will ML do (or not) for LSST

    ML Club panel discussion

    (virtual) on 03.02.2021 (invited)

2020

  • Source Separation & Data Fusion

    Exascale Astronomy AI & Benchmark workshop

    (virtual) on 08.12.2020
  • SCARLET capabilities

    Roman Space Telescope SIT @ STScI meeting

    (virtual) on 05.10.2020
  • Deblending with SCARLET

    HSC Weak Lensing workshop

    (virtual) on 15.06.2020
  • Data Fusion for Astronomy & Cosmology

    Astronomy colloquium

    at University of Washington (virtual) on 21.5.2020 (invited)

    Astronomy seminar

    at University of California, Irvine (virtual) on 28.04.2020 (invited)

    CCAPP seminar

    at The Ohio State University (virtual) on 07.04.2020 (invited)
  • LSST-Euclid-WFIRST Joint Survey Processing

    WFIRST FSWG meeting

    at Flatiron Institute (virtual) on 03.03.2020
  • SCARLET v1.0

    DESC Blending WG meeting

    on 03.02.2020

2019

2018

2017

  • Galaxies, roof tops, and cocktail parties

    ITA cosmology group seminar

    at Heidelberg University, Germany on 19.12.2017 (invited)

    Thunch seminar

    at Princeton University on 14.12.2017

    HEP Lunch seminar

    at Argonne National Lab on 19.10.2017 (invited)

    KICP Lunch seminar

    at Univerity of Chicago on 17.10.2017
  • A multi-band, multi-resolution deblender for LSST (& others)

    LSST Project & Community workshop

    in Tucson, AZ on 15.07.2017
  • A multi-band deblender for LSST and WFIRST

    Astronomy in the 2020s: Synergies with WFIRST

    at Space Telescope Science Institute on 26.06.2017
  • Visualizing data

    USRP seminar

    at Princeton University on 20.06.2017
  • Dark Energy Survey - Status, Science, and Algorithmic Advancements

    LSST school & workshop

    in Lyon, France on 14.06.2017 (invited)
  • Efficient multi-band deblending

    LSST school & workshop

    in Lyon, France on 13.06.2017 (invited)
  • Gaussian Mixture Models for Astronomy

    Science with HSC meeting

    at Princeton University on 20.04.2017
  • A Cosmic Census - and the means to do it right

    HEP Division Seminar

    at Argonne National Lab on 10.05.2017 (invited)

    Astroparticle Seminar

    at Fermilab on 08.05.2017 (invited)

    Physics Colloquium

    at Stony Brook University on 28.02.2017 (invited)

2016

  • Systematic limitations for weak-lensing in Stage III (and beyond)

    Science with HSC meeting

    at Princeton University on 20.10.2016
  • Joint pixel-level processing of WFIRST & LSST

    WFIRST-LSST meeting

    at CalTech on 13.09.2016
  • Visualizing data

    USRP seminar

    at Princeton University on 23.06.2016
  • WFIRST & LSST

    Cross-correlation Spectacular

    at Stony Brook University on 25.05.2016 (invited)
  • Weak-lensing calibration of redMaPPer clusters

    DES collaboration meeting

    at Stanford University on 09.05.2016
  • Photometric (redshift) measurements in LSST

    LSST photo-z workshop

    at University of Pittsburgh on 05.04.2016 (invited)
  • WFIRST & LSST joint processing

    WFIRST Preparatory Science meeting

    at CalTech on 03.03.2016
  • The ugly truth about cluster lensing

    Science with HSC meeting

    at Princeton University on 21.01.2016

2015

  • Boost factors from Balrog

    DES collaboration meeting

    in Madrid, Spain on 07.10.2015
  • Having fun with large surveys

    Astrophysic Seminar

    at Carnegie-Mellon University on 14.07.2015 (invited)
  • The appeal and chore of wide-field surveys

    Science Colloquium

    at Jet Propulsion Laboratory on 09.07.2015
  • Finding filaments, and walls, and voids

    DES collaboration meeting

    at University of Michigan on 13.05.2015
  • The Dark Energy Survey — status and science results

    Cosmology on the slopes

    in Aspen, CO on 10.03.2015

2014

  • Consistency tests for stacked cluster weak lensing

    DES collaboration meeting

    in Brighton, UK on 21.10.2014
  • Void lensing — beyond the current state

    Cosmic Voids in the Next Generation of Galaxy Surveys

    at The Ohio State Univerity on 20.08.2014
  • Mass and galaxy distributions of four massive galaxy clusters from Dark Energy Survey Science Verification data

    DES collaboration meeting

    University of Illinois, Urbana-Champaign on 19.05.2014
  • Dark Energy Survey — Status and early science

    Astronomy Colloquium

    Ohio Univeristy on 09.11.2014 (invited)

    Cosmology Group meeting

    at Leiden Observatory on 08.04.2014

    Moriond cosmology meeting

    in La Thuile, Italy on 25.03.2014 (invited)

    Dark Energy group meeting

    at Jet Propulsion Laboratory on 03.03.2014 (invited)
  • What can we learn from gravitational lensing?

    ”Meet a Professor” series of the Society of Physics Students at OSU

    in Columbus, OH on 25.02.2014
  • DES gravitational lensing results

    223rd AAS meeting

    in Washington, D.C., on 06.01.2014 (invited)

2013

  • Lensing as it should be

    DES collaboration meeting

    in Sant Feliu de Guixols, Spain on 30.09.2013
  • From kpc to Mpc with consistent weak and strong lensing

    CLASH collaboration meeting

    in London, England on 16.09.2013
  • Can we do lensing with DECam?

    CCAPP post-doc summer seminar series

    at The Ohio State University on 23.07.2013
  • The BIGGER picture - Mass & light maps of massive galaxy clusters from early DECam data

    Cluster lensing workshop

    at Space Telesceop Science Institute on 17.04.2013

    SnowCluster 2013

    in Snowbird, UT on 27.03.2013

2012

  • The BIGGER picture — Lensing with DECam

    DES collaboration meeting

    at Texas A&M University on 11.12.2012
  • Constraints from HST WL

    CLASH collaboration meeting

    in Bilbao, Spain on 20.10.2012
  • The power of CLASH

    Astronomy Colloquium

    at Ohio University on 19.09.2012 (invited)
  • Weak-lensing measurements demystified

    CCAPP post-doc summer seminar series

    at The Ohio State University on 12.06.2012
  • DES WL commissioning databas

    DES collaboration meeting

    in Munich, Germany on 10.05.2012
  • Cosmology with the CLASH clusters

    SnowPAC 2012

    in Snowbird, UT on 20.03.2012

2011

  • From images to shears to cluster masses

    Astronomy Colloquium

    at The Ohio State University on 03.11.2011
  • The OSU shear codes for GREAT10

    GREAT10 meeting

    at CalTech on 28.09.2011
  • How pixel noise affects weak-lensing measurements

    DES collaboration meeting

    at University of Portsmouth on 30.06.11

    Cosmology seminar

    at the Royal Observatory in Edinburgh, Scotland on 06.07.2011 (invited)
  • WFC3/IR PSF and its variations

    CLASH collaboration meeting

    at Space Telescope Science Institute on 06.05.2011
  • Why large shears matter

    CCAPP Symposium

    at The Ohio State University on 06.04.2011

2010

  • Cluster lensing with DEIMOS

    DUEL workshop

    in Sorrento, Italy on 28.10.2010

    CLASH collaboration meeting

    in Granada, Spain on 21.09.2010
  • Weak lensing with DEIMOS

    Lensing in Heidelberg seminar

    at Heidelberg University on 07.07.2010
  • The Standard Template Libary & boost

    ITA cosmology group seminar

    at Heidelberg University on 10.06.2010
  • Measuring gravitational lenses

    CCAPP seminar

    at The Ohio State University on 15.05.2010 (invited)
  • Scientific Software Engineering

    ITA cosmology group seminar

    at Heidelberg University on 15.04.2010

2009

  • KSB & HOLICS

    ITA cosmology group seminar

    at Heidelberg University on 15.10.2009
  • When shapelets fail and when they prevail

    Application of Light deflection seminar

    at Heidelberg University on 17.11.2009
    at Leiden Observatory on 14.09.2009

    GREAT08 final workshop

    in Ascona, Switzerland on 30.07.2009
  • When shapelets fail - Limitations for shapelet-based weak-lensing measurements"

    Lensing in Heidelberg seminar

    at Heidelberg University on 10.06.2009

    SPP 1177 meeting

    in Bad Honnef, Germany on 21.05.2009 (invited)
  • Kriging the PSF variation

    Applications of Machine Learning in Astronomy seminar

    at Heidelberg University on 15.04.2009

2008

  • Unveiling shapes - Shapelets for describing galaxy morphologies

    Classification and Discovery in Large Astronomical Surveys conference

    at Ringberg Castle on 15.10.2008 (invited)

    ITA colloquium

    at Heidelberg University on 22.10.2008
  • Introduction to MOPED

    ITA cosmology group seminar

    at Heidelberg University on 04.07.2008
  • Deconvolution with shapelets

    DUEL workshop

    on 26.06.2008

    IMPRS retreat seminar

    in Rothenburg o.d. Tauber, Germany on 15.06.2008

    ITA cosmology group seminar

    at Heidelberg University on 23.05.2008
  • The 'Bullet' Cluster of galaxies

    IMPRS seminar

    at Heidelberg University on 24.01.2008

2007

  • Morphological Image Analysis with Shapelets*

    SPP 1177 meeting

    in Bad Honnef, Germany on 11.10.2007

    Data Analysis in Cosmology conference

    in Santander, Spain on 11.07.2007
  • ShapeLens++

    Argelander-Institut für Astronomie

    on 30.07.2007
  • Von der Bildbearbeitung zur Kosmologie

    45th meeting of the Gesprächskreis Rhein-Neckar

    in Heidelberg, Germany on 19.07.2007 (invited)
  • Scalar Fields and the Inflaton

    ITA cosmology group seminar

    at Heidelberg University on 05.07.2007
  • Minimization in N dimensions

    Numerics in Physics seminar

    at Heidelberg University on 11.06.2007
  • Simulations for DUNE

    ITA cosmology group seminar

    at Heidelberg University on 10.05.2007

    IMPRS seminar

    at Heidelberg University on 31.05.2007
  • Why to use Subversion

    Numerics in Physics seminar

    at Heidelberg University on 07.05.2007
  • Constraining dark energy with weak lensing

    ITA cosmology group seminar

    at Heidelberg University on 18.01.2007

2006 and before

  • Shapelet procedures

    ITA cosmology group seminar

    at Heidelberg University on 01.06.2006
  • Shapelets and Gravitational Flexion

    ARI lensing seminar

    at Heidelberg University on 02.02.2006
  • Discovery of the Cosmic Microwave Background

    ITA cosmology group seminar

    at Heidelberg University on 18.11.2004
  • Comparison of shower models for a hadronic calorimeter prototype with Geant4

    Final talk session of the International Summer Student Program

    at DESY on 06.09.2004
  • Neutronensterne und Weisse Zwerge

    Seminar of the Statistical Mechanics lecture

    at Heidelberg University on 16.01.2004