Name: Non-perturbative renormalization in fundamental and effective theories
Start: 2026-03-30T09:00:00+02:00
End: 2026-04-03T19:00:00+02:00
Location: ECT*

Non-perturbative renormalization in fundamental and effective theories

from Monday, March 30, 2026 (9:00 AM) to Friday, April 3, 2026 (7:00 PM)

Monday, March 30, 2026

9:00 AM Registration
Registration
9:00 AM - 9:45 AM
Room: Aula Renzo Leonardi
9:45 AM Workshop introduction - Evgeny Epelbaum (Ruhr University Bochum) Marc Shiffer
Workshop introduction
- Evgeny Epelbaum (Ruhr University Bochum)
- Marc Shiffer
9:45 AM - 10:20 AM
Room: Aula Renzo Leonardi
10:20 AM Coffee Break
Coffee Break
10:20 AM - 10:50 AM
Room: Aula Renzo Leonardi
10:50 AM Asymptotically Safe Quantum Gravity: from Fixed Points to the Standard Model - Manuel Reichert (University of Sussex)
Asymptotically Safe Quantum Gravity: from Fixed Points to the Standard Model
- Manuel Reichert (University of Sussex)
10:50 AM - 11:40 AM
Room: Aula Renzo Leonardi
11:40 AM Analytic results in asymptotically safe quantum gravity - Benjamin Knorr (Heidelberg University)
Analytic results in asymptotically safe quantum gravity
- Benjamin Knorr (Heidelberg University)
11:40 AM - 12:30 PM
Room: Aula Renzo Leonardi
12:30 PM Lunch
Lunch
12:30 PM - 2:00 PM
Room: Aula Renzo Leonardi
2:00 PM Standard-Model like Weyl fermions in asymptotically safe gravity - Moritz Gessner (Institute of theoretical physics, University of Heidelberg)
Standard-Model like Weyl fermions in asymptotically safe gravity
- Moritz Gessner (Institute of theoretical physics, University of Heidelberg)
2:00 PM - 2:30 PM
Room: Aula Renzo Leonardi
2:30 PM Quark and lepton mixing in the Asymptotically Safe Standard Model - Zois Gyftopoulos (Heidelberg University)
Quark and lepton mixing in the Asymptotically Safe Standard Model
- Zois Gyftopoulos (Heidelberg University)
2:30 PM - 3:00 PM
Room: Aula Renzo Leonardi
3:00 PM Coffee Break
Coffee Break
3:00 PM - 3:30 PM
Room: Aula Renzo Leonardi
3:30 PM Unitarity at all scales: Towards 2-to-2 scattering of scalars in Asymptotically Safe Quantum Gravity - Angelo Portas Chiesa
Unitarity at all scales: Towards 2-to-2 scattering of scalars in Asymptotically Safe Quantum Gravity
- Angelo Portas Chiesa
3:30 PM - 4:00 PM
Room: Aula Renzo Leonardi
4:00 PM Welcome - Ubirajara van Kolck (ECT*, Trento)
Welcome
- Ubirajara van Kolck (ECT*, Trento)
4:00 PM - 4:15 PM
Room: Aula Renzo Leonardi
4:15 PM Discussion - Marc Shiffer
Discussion
- Marc Shiffer
4:15 PM - 5:15 PM
Room: Aula Renzo Leonardi
Tuesday, March 31, 2026
9:30 AM Higher derivatives and higher energies - John Donoghue (University of Massachusetts, Amherst)
Higher derivatives and higher energies
- John Donoghue (University of Massachusetts, Amherst)
9:30 AM - 10:20 AM
Room: Aula Renzo Leonardi
10:20 AM Coffee Break
Coffee Break
10:20 AM - 10:50 AM
Room: Aula Renzo Leonardi
10:50 AM PIRGs & PIKs or Physics-Informed Renormalisation: From the reparametrisation of quantum effective actions to the sampling of theories with sign problems - Jan M. Pawlowski (University of Heidelberg)
PIRGs & PIKs or Physics-Informed Renormalisation: From the reparametrisation of quantum effective actions to the sampling of theories with sign problems
- Jan M. Pawlowski (University of Heidelberg)
10:50 AM - 11:40 AM
Room: Aula Renzo Leonardi
11:40 AM Tropical renormalization at 400 loops - Paul-Hermann Balduf (University of Oxford)
Tropical renormalization at 400 loops
- Paul-Hermann Balduf (University of Oxford)
11:40 AM - 12:30 PM
Room: Aula Renzo Leonardi
12:30 PM Lunch
Lunch
12:30 PM - 2:10 PM
Room: Aula Renzo Leonardi
2:10 PM Running couplings in a shift-invariant scalar theory - Roberto Percacci (SISSA)
Running couplings in a shift-invariant scalar theory
- Roberto Percacci (SISSA)
2:10 PM - 3:00 PM
Room: Aula Renzo Leonardi
3:00 PM Coffee Break
Coffee Break
3:00 PM - 3:30 PM
Room: Aula Renzo Leonardi
3:30 PM Gauge-Invariant Flows in Asymptotically Safe Quantum Gravity - Paul Sprenger (Institute for Theoretical Physics, Heidelberg University)
Gauge-Invariant Flows in Asymptotically Safe Quantum Gravity
- Paul Sprenger (Institute for Theoretical Physics, Heidelberg University)
3:30 PM - 4:00 PM
Room: Aula Renzo Leonardi
4:00 PM Discussion - Michael Birse (University of Manchester)
Discussion
- Michael Birse (University of Manchester)
4:00 PM - 5:15 PM
Room: Aula Renzo Leonardi
Wednesday, April 1, 2026
9:30 AM Renormalization in short-range EFT - Hans-Werner Hammer (TU Darmstadt)
Renormalization in short-range EFT
- Hans-Werner Hammer (TU Darmstadt)
9:30 AM - 10:20 AM
Room: Aula Renzo Leonardi
10:20 AM Coffee Break
Coffee Break
10:20 AM - 10:50 AM
Room: Aula Renzo Leonardi
10:50 AM Dimer Effective Field theory - David Kaplan (University of Washington)
Dimer Effective Field theory
- David Kaplan (University of Washington)
10:50 AM - 11:40 AM
Room: Aula Renzo Leonardi
11:40 AM Chiral nuclear forces within gradient-flow regularization - Hermann Krebs (Ruhr-University Bochum)
Chiral nuclear forces within gradient-flow regularization
- Hermann Krebs (Ruhr-University Bochum)
11:40 AM - 12:30 PM
Room: Aula Renzo Leonardi
12:30 PM Lunch
Lunch
12:30 PM - 2:10 PM
Room: Aula Renzo Leonardi
2:10 PM Nucleon-nucleon interaction from covariant chiral Lagrangians - Xiu-Lei Ren (Shandong University)
Nucleon-nucleon interaction from covariant chiral Lagrangians
- Xiu-Lei Ren (Shandong University)
2:10 PM - 3:00 PM
Room: Aula Renzo Leonardi
3:00 PM Coffee Break
Coffee Break
3:00 PM - 3:30 PM
Room: Aula Renzo Leonardi
3:30 PM Uses of gradient flow renormalization group - Gerrit Schierholz (DESY)
Uses of gradient flow renormalization group
- Gerrit Schierholz (DESY)
3:30 PM - 4:20 PM
Room: Aula Renzo Leonardi
4:20 PM Discussion - Vincenzo Cirigliano (Institute for Nuclear Theory, University of Washington)
Discussion
- Vincenzo Cirigliano (Institute for Nuclear Theory, University of Washington)
4:20 PM - 5:15 PM
Room: Aula Renzo Leonardi
Thursday, April 2, 2026
9:30 AM Renormalization in few-body systems with a cutoff - Ashot Gasparyan (Ruhr-Universität Bochum)
Renormalization in few-body systems with a cutoff
- Ashot Gasparyan (Ruhr-Universität Bochum)
9:30 AM - 10:20 AM
Room: Aula Renzo Leonardi
10:20 AM Coffee Break
Coffee Break
10:20 AM - 10:50 AM
Room: Aula Renzo Leonardi
10:50 AM Singular potentials from chiral EFT and their renormalization - Bingwei Long (Sichuan University)
Singular potentials from chiral EFT and their renormalization
- Bingwei Long (Sichuan University)
10:50 AM - 11:40 AM
Room: Aula Renzo Leonardi
11:40 AM A new class of three nucleon forces and their implications - Maria Dawid (Washington University in St. Louis)
A new class of three nucleon forces and their implications
- Maria Dawid (Washington University in St. Louis)
11:40 AM - 12:30 PM
Room: Aula Renzo Leonardi
12:30 PM Lunch
Lunch
12:30 PM - 2:10 PM
Room: Aula Renzo Leonardi
2:10 PM Unitarity with pions - Harald Griesshammer (George Washington University)
Unitarity with pions
- Harald Griesshammer (George Washington University)
2:10 PM - 3:00 PM
Room: Aula Renzo Leonardi
3:00 PM Coffee Break
Coffee Break
3:00 PM - 3:30 PM
Room: Aula Renzo Leonardi
3:30 PM Discussion - John Donoghue (University of Massachusetts, Amherst)
Discussion
- John Donoghue (University of Massachusetts, Amherst)
3:30 PM - 5:15 PM
Room: Aula Renzo Leonardi
8:00 PM Social dinner at Orso Grigio restaurant, Via degli Orti, 19, 38122 Trento
Social dinner at Orso Grigio restaurant, Via degli Orti, 19, 38122 Trento
8:00 PM - 10:00 PM
Room: Aula Renzo Leonardi
Friday, April 3, 2026
9:30 AM Vacuum-Angle in the Hamiltonian Formulation beyond Semiclassics - Uwe-Jens Wiese (University of Bern, Switzerland)
Vacuum-Angle in the Hamiltonian Formulation beyond Semiclassics
- Uwe-Jens Wiese (University of Bern, Switzerland)
9:30 AM - 10:20 AM
Room: Aula Renzo Leonardi
10:20 AM Coffee Break
Coffee Break
10:20 AM - 10:50 AM
Room: Aula Renzo Leonardi
10:50 AM Confinement without dynamical symmetry breaking in chiral gauge theories - Alvaro Pastor Gutierrez (RIKEN iTHEMS)
Confinement without dynamical symmetry breaking in chiral gauge theories
- Alvaro Pastor Gutierrez (RIKEN iTHEMS)
10:50 AM - 11:40 AM
Room: Aula Renzo Leonardi
11:40 AM Lunch
Lunch
11:40 AM - 1:20 PM
Room: Aula Renzo Leonardi
1:20 PM Concluding remarks, future directions, etc - Vincenzo Cirigliano (Institute for Nuclear Theory, University of Washington) Marc Shiffer
Concluding remarks, future directions, etc
- Vincenzo Cirigliano (Institute for Nuclear Theory, University of Washington)
- Marc Shiffer
1:20 PM - 2:10 PM
Room: Aula Renzo Leonardi
2:10 PM End of the Workshop
End of the Workshop
2:10 PM - 2:30 PM
Room: Aula Renzo Leonardi

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