2018.12.06 Pushing the Energy and Cosmic Frontiers of Particle Physics with High-Energy Astrophysical Neutrinos
Invited talk, Astroparticle seminar, DESY, Zeuthen, Germany

2018.11.26 Pushing the Energy and Cosmic Frontiers of Particle Physics with High-Energy Astrophysical Neutrinos
Invited talk, DISCRETE 2018, Vienna, Austria

2018.11.23 Anomalous radio signals: ultra-high-energy neutrinos or new physics?
Talk, NBI N-Talk, Niels Bohr Institute, Copenhagen, Denmark

2018.09.20 Pushing the Energy and Cosmic Frontiers of Particle Physics with High-Energy Astrophysical Neutrinos
Invited talk, Uppsala Universitet, Uppsala, Sweden

2018.08.29 Bounds on Ultra-Long-Range Flavored Neutrino Interactions with IceCube
Talk, TeVPA 2018, Berlin, Germany

2018.08.28 GRAND: The Giant Radio Array for Neutrino Detection
Talk, TeVPA 2018, Berlin, Germany

2018.08.28 GRAND: The Giant Radio Array for Neutrino Detection
Poster, TeVPA 2018, Berlin, Germany

2018.06.07 Neutrino Properties from Observations in Particle Physics 
Invited talk, 30th Rencontres de Blois, France

2018.05.27 Measurement of Multi-TeV Neutrino Cross Section Via Earth Absorption
Invited talk, Advanced Workshop on Physics of Atmospheric Neutrinos (PANE), Abdus Salam ICTP, Trieste, Italy

2018.05.23 Neutrinos from Ultra-High-Energy Cosmic Rays
Invited talk, 20th International Symposium on Very High Energy Cosmic Ray Interactions (ISVHECRI), Nagoya, Japan

2018.05.14 Distilling fundamental high-energy neutrino physics from the sky
Invited talk, GRAPPA, Amsterdam, The Netherlands

2018.03.06 Prompt GRB neutrinos from multiple in-jet collisions
Talk, MIAPP Program “The High-Energy Universe: Gamma-Ray, Neutrino, and Cosmic-Ray Astronomy”, Munich, Germany

2018.03.02 Heaven-sent high-energy fundamental neutrino physics
Invited talk, MIAPP Program “The High-Energy Universe: Gamma-Ray, Neutrino, and Cosmic-Ray Astronomy”, Munich, Germany

2018.02.09 The wondrous life and times of high-energy astrophysical neutrinos
Colloquium, Center for Neutrino Physics, Virginia Tech, USA

2017.12.08 Heaven-Sent High-Energy ν Interactions From TeV to PeV
Invited talk, HEP Seminar, University College London, London, UK

2017.10.27 Heaven-Sent High-Energy ν Interactions: Measuring Neutrino Cross Sections Above 10 TeV
Talk, NBI N-Talk, Niels Bohr Institute, Copenhagen, Denmark

2017.10.18 ν Interactions from the Heavens: Measuring Neutrino Cross Sections Above 10 TeV
Talk, GRAPPA@5, Amsterdam, The Netherlands

2017.08.07 High-energy neutrino interactions: first cross section measurements at TeV and above
Talk, TeVPA 2017, Columbus, OH, USA

2017.06.13 A first measurement of high-energy neutrino cross sections with astrophysical neutrinos
Talk, CCAPP Summer Seminar Series, CCAPP, Columbus, OH, USA

2017.06.01 New physics tests with high-energy astrophysical neutrinos
Invited talk, NEUCOS Workshop, DESY, Zeuthen, Germany

2017.05.25 High-energy neutrinos, cosmic rays, and gamma rays from gamma-ray bursts
Invited talk, Interuniversity Institute for High Energies ULB-VLB, Brussels, Belgium

2017.05.24 High-energy neutrinos, cosmic rays, and gamma rays from GRBs
Invited talk, Laboratoire Astroparticule & Cosmologie (APC), Paris, France

2017.05.09 High-energy neutrinos, cosmic rays, and gamma rays from GRBs
Invited talk, IceCube Particle Astrophysics Symposium (IPA 2017), Madison, WI, USA

2017.05.06 Laying siege to new physics in high-energy astrophysical neutrinos
Invited talk, IceCube Collaboration Meeting, Madison, WI, USA

2017.04.26 Overview of recent IceCube results
Invited talk, LHC Results Forum

2017.03.20 Prospecting for new physics with high-energy astrophysical neutrinos
Invited talk, Particle Astrophysics Seminar, Case Western Reserve University, OH, USA

2017.03.06 High-energy neutrinos, cosmic rays, and gamma rays from gamma-ray bursts
Invited talk, Astrophysics Seminar, Purdue University, IN, USA

2017.01.25 High-energy astrophysical neutrinos: testing ground for new physics
Invited talk, University of California, Irvine, CA, USA

2017.01.10 Tasting high-energy astrophysical neutrinos
Invited talk, Workshop “High-energy neutrino and cosmic-ray astrophysics – The way forward”, Weizmann Institute of Science, Rehovot, Israel

2016

2016.12.06 An overview of astrophysical neutrinos; theoretical aspects
Invited talk, Astroparticle Physics @ Yachay, Yachay Tech, Ecuador

2016.11.26 TEDx — Neutrinos: secret messengers of the Universe
Public talk, TEDxTukuy, Lima, Peru
Video: https://youtu.be/C6EZU9-nsKw

2016.10.23 Multi-messenger light curves from gamma-ray bursts
Talk, 8th Huntsville Gamma-Ray Burst Symposium, Huntsville, AL, USA

2016.10.20 High-energy neutrinos: ghosts from beyond the Solar System
Public talk, New Vistas in Astronomy Series, Perkins Observatory, Columbus, OH, USA

2016.09.14 Searching for new physics in the flavor composition of high-energy astrophysical neutrinos
Poster, TeVPA 2016, Geneva, Switzerland

2016.09.13 Multi-messenger light curves from gamma-ray bursts
Talk, TeVPA 2016, Geneva, Switzerland

2016.08.26 Discovering ultra-high-energy neutrinos with GRAND, the Giant Radio Array for Neutrino Detection
Invited talk, WIPAC, Madison, WI

2016.08.25 High-energy astrophysical neutrinos: testing ground for new physics
Invited talk, WIPAC, Madison, WI

2016.08.02 Multi-messenger light curves from gamma-ray bursts
Invited talk, The National Space Science & Technology Center, Huntsville, A

2016.07.05 Probing neutrino lifetime using high-energy astrophysical neutrinos
Talk, CCAPP Summer Seminar Series, CCAPP, Columbus, OH, USA

2016.06.20 Gamma-ray bursts as UHECR sources
Invited talk, Multi-Messenger Approaches to Cosmic Rays: Origins and Space Frontiers (MACROS 2016), Pennsylvania State U.

2016.05.20 High-energy astrophysical neutrinos: testing ground for new physics
Invited talk, Astroparticle seminar, DESY, Zeuthen, Germany

2016.05.13 New physics in high-energy astrophysical neutrinos
Invited talk, Niels Bohr Institute, Copenhagen, Denmark

2016.05.11 High-energy astrophysical neutrinos: where do we stand, where do we go?
Invited talk, Laboratoire de Physique Nucléaire et de Hautes Énergies (LPNHE), Paris, France

2016.05.09 High-energy astrophysical neutrinos: probes of new physics
Invited talk, Institut d’Astrophysique de Paris (IAP), Paris, France

2016.05.06 Multi-messenger source models: neutrino UHECR connections
Invited talk, Workshop on Perspectives on the Extragalactic Frontier, Abdus Salam International Center for Theoretical Physics (ICTP), Trieste, Italy

2016.04.19 Tests of new physics with (high-energy) astrophysical neutrinos
Invited talk, American Physical Society April Meeting, Salt Lake City, UT, USA

2016.03.30 Probing neutrino lifetime using high-energy astrophysical neutrinos
Invited talk, Center for Neutrino Physics, Virginia Tech, VA, USA

2016.03.02 Flavor composition of high-energy astrophysical neutrinos: present and future
Invited talk, Next-Generation Techniques for UHE Astroparticle Physics workshop, Kavli Institute for Cosmological Physics, University of Chicago, IL, USA

2016.02.27 Decay of high-energy astrophysical neutrinos: present and near future
Talk, Pheno in Indiana, Kentucky, Illinois, and Ohio (PIKIO 2016), University of Cincinnati, OH, USA

2016.01.09 Discovering ultra-high-energy neutrinos with GRAND, The Giant Radio Array for Neutrino Detection
Invited talk, Very High Energy Particle Astronomy (VHEPA) workshop, University of Hawaii at Manoa, Honolulu, HI, USA

2015

2015.12.15 GRAND science case
Invited talk, GRAND mini-workshop, Kavli Institute for Cosmological Physics, University of Chicago, IL, USA

2015.12.09 Gamma-ray bursts: high-energy neutrino predictions in the IceCube era
Invited talk, HEP Seminar, Pennsylvania State University, State College, PA, USA

2015.11.04 Rethinking GRBs as sources of high-energy neutrinos
Invited talk, ICEHAP Seminar, Chiba University, Chiba, Japan

2015.10.26 The landscape of flavor composition of high-energy astrophysical neutrinos
Invited talk, TeVPA 2015, Tokyo, Japan

2015.10.15 Theoretically tasting the flavor composition of high-energy astrophysical neutrinos
Invited talk, Theory Seminar, Fermilab, IL, USA

2015.09.22 What to expect for the flavor composition of high-energy astrophysical neutrinos
Invited talk, HEP Seminar, University of Cincinnati, OH, USA

2015.08.04 Revealing the flavor composition of astrophysical neutrinos: interplay of theory and experiment
Talk, “Crossroads of neutrino physics” program, Mainz Institute for Theoretical Physics, Mainz, Germany

2015.07.21 Flavor in high-energy astrophysical neutrinos
Talk, Nu@Fermilab conference, Fermilab, IL, USA

2015.06.19 Recent results on the theoretical expectations of the flavor composition of astrophysical neutrinos
Talk, INT Program 15-2a “Neutrino astrophysics and fundamental properties”, Institute for Theoretical Physics, Seattle, WA, USA

2015.06.02 Honing in on the flavour composition of high-energy astrophysical neutrinos: the view from theory
Talk, CCAPP Summer Seminar Series, CCAPP, Columbus, OH, USA

2015.05.05 Ultra-high-energy emission from an evolving gamma-ray burst: neutrinos, cosmic rays, and gamma rays
Talk, IceCube Particle Astrophysics Symposium (IPA 2015), Madison, WI, USA

2015.04.08 Gamma-ray bursts: sources of ultra-high-energy cosmic rays and neutrinos
Invited talk, Latin American Webinars on Physics
Video: https://youtu.be/K5tJaJvB5Lo

2015.03.29 Cosmic rays and neutrinos: windows into the ultra-high-energy Universe
Public talk, Astronomy on tap, Columbus, OH, USA

2015.01.16 Gamma rays, cosmic rays, and neutrinos: windows into the ultra-high-energy Universe
Invited talk, IV Workshop Internacional de Matemática, Física y Aplicaciones (WIMFA 2015), Universidad Nacional del Callao, Lima, Peru

2015.01.12 Ultra-high energy neutrinos and cosmic rays from gamma-ray bursts
Invited talk, 2do Encuentro de Física Teórica “Lev Landau”, Universidad Nacional del Callao, Lima, Peru

2014

2014.12.10 Neutrino decays over cosmological distances: GRBs
Talk, KITP Program “Present and Future Neutrino Physics”, Kavli Institute for Theoretical Physics, Santa Barbara, CA, USA
Video: http://online.kitp.ucsb.edu/online/neutrinos14/bustamante/rm/flashtv.html

2014.09.22 Ultra-high-energy neutrinos and cosmic rays from gamma-ray bursts: exploring and updating the connections
PhD defense, Julius-Maximilians-Universität Würzburg, Würzburg, Germany

2014.07.24 Ultra-high-energy cosmic rays and neutrinos from gamma-ray bursts: new predictions for a new era
Final report for the DFG GRK1147 Graduate College of the Universität Würzburg, Samerberg, Germany

2014.07.15 A dynamical GRB fireball model: new gamma-ray, cosmic-ray, and neutrino predictions
Talk, DESY Astroparticle Seminars, Zeuthen, Germany

2014.06.24 A revised view of the ultra-high energy cosmic ray-neutrino connection: the case of gamma-ray bursts
Talk, Astroparticle Physics / TeVPA 2014, Amsterdam, The Netherlands

2014.06.17 Improved ultra-high-energy cosmic ray and neutrino predictions from gamma-ray bursts
Talk, Workshop “Gamma-ray bursts in the multi-messenger era”, Paris, France

2014.04.30 Revisiting the cosmic ray-neutrino connection in gamma-ray bursts
Invited talk, Instituto de Física Corpuscular (IFIC), Valencia, Spain

2014.03.24 Ultra-high energy cosmic rays and neutrinos from GRBs: revising the predictions and clarifying the connection
Invited talk, Uppsala Universitet, Uppsala, Sweden

2014.03.11 Ultra-high energy astrophysical cosmic rays and neutrinos: a half-century mystery
Invited talk, Physics Colloquium, Pontificia Universidad Catolica del Peru, Lima, Peru
Video: http://educast.pucp.edu.pe/video/3252/

2013

2013.11.14 Astrophysics with unstable nuclei at FAIR and FRANZ
Preparatory talk for the DFG GRK1147 Graduate College of the Universität Würzburg, Samerberg, Germany

2013.10.14 Gamma-ray bursts: revised predictions for ultra-high-energy neutrinos and cosmic rays
Talk, Princeton Cosmology Lunch, Princeton University, Princeton, NJ, USA

2013.09.23 Revised predictions of ultra-high-energy neutrinos from gamma-ray bursts and the cosmic ray-neutrino connection
Talk, CCAPP Astroparticle Lunch, CCAPP, Columbus, OH, USA

2013.08.05 UHE neutrino and cosmic ray emission from GRBs: revising the models and clarifying the cosmic ray-neutrino connection
Talk, Very Large Volume Neutrino Telescope Workshop 2013 (VLVnT 2013), Stockholm, Sweden

2013.07.06 Escape and propagation of UHECR protons and neutrons from GRBs, and the cosmic ray-neutrino connection
Talk, International Cosmic Ray Conference 2013 (ICRC 2013), Rio de Janeiro, Brazil

2013.05.23 UHE cosmic rays & neutrinos, and the multi-messenger approach
Status report, DFG GRK1147 Graduate College of the Universität Würzburg, Würzburg, Germany

2013.03.05 Decay of neutrinos from cosmological sources and prospects of observation at neutrino telescopes
Talk, 77th Annual Meeting of the DPG, Dresden, Germany

2013.01.04 Neutrino astrophysics and the multi-messenger approach
Talk, PUCP Graduate Students Seminars, PUCP, Lima, Peru

2012

2012.12.18 Statistical methods with an application to cosmic rays
Talk, Winter group seminars, Würzburg, Germany

2012.12.06 The inert Higgs doublet model
Preparatory talk, DFG GRK1147 Graduate College of the Universität Würzburg, Würzburg, Germany

2012.09.13 Efficient computation of photohadronic interactions – an application to UHECR propagation and cosmogenic neutrinos
Talk, HAP Astroparticle Theory Code Retreat, DESY, Zeuthen, Germany

2012.06.12 [Another look at] decay in astrophysical neutrinos
Talk, Winter group seminars, Würzburg, Germany

2012.05.31 GRK1147 Introductory talk
Introductory talk, DFG GRK1147 Graduate College of the Universität Würzburg, Würzburg, Germany

2011 and earlier

2011.06.27-28 Introduction to particle physics (in Spanish)
Invited talk, Two-day course at the I Physics Summer School, Universidad Nacional del Callao, Lima, Peru

2010.11.19 Neutrino physics at the South Pole (in Spanish)
Invited talk, II Symposium on Antarctic Research, Lima, Peru

2010.11.12 (Brief) introduction to gauge theories (in Spanish)
Invited talk, Elementary Particle Physics undergraduate course, PUCP, Lima, Peru

2010.10.06 Introduction to neutrino oscillations (in Spanish)
Invited talk, Elementary Particle Physics undergraduate course, PUCP, Lima, Peru

2010.06.16 Energy-independent contribution to the flavour ratios of high-energy astrophysical neutrinos (in Spanish)
M.Sc. defense, PUCP, Lima, Peru

2009.03.27 Cosmic ray acceleration mechanisms
Talk, 5th CERN Latin American School on High Energy Physics, Antioquia, Colombia

2008.15.12 Extreme scenarios of new physics in the UHE astrophysical neutrino flavour ratios
Talk, DISCRETE 08 workshop, Instituto de Física Corpuscular, Valencia, Spain

2008.08.11 Modified dispersion relations and high-energy astrophysical neutrinos (in Spanish)
Talk, XVII National Physics Symposium, PUCP, Lima, Peru