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Multi-Higgs Models
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Tuesday, 25th of August of 2026
Morning
| 8.30 - 9.00
| Registration and Welcoming
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| | 9.00 - 9.30
| Correlating Resonant Di-Higgs and Tri-Higgs Production to H→VV in the 2HDM
(slides)
Howard Haber, University of California, Santa Cruz, USA
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|
| | 9.40 - 10.10
| TBA-goofy
(slides)
Bohdan Grzadkowski, Univ. of Warsaw, Poland
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|
| | 10.20 - 10.50
| Coffee break
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| | 10.50 - 11.20
| Goofy symmetries
(slides)
Andreas Trautner, CFTP/IST, Portugal
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|
| | 11.30 - 12.00
| Soft Symmetry Breaking as a Nonstandard Source of Mass: Phenomenological Insights from the 2HDM
(slides)
Ipsita Saha, IIT Madras, India
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|
| | 12.10 - 12.40
| Vacua and bounded spectra in multi-Higgs models
(slides)
Miguel Nebot, IFIC, UValencia, Spain
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Afternoon
| 14.30 - 14.50
| Lie symmetry analysis of extended scalar sectors: The 2HDM and real singlet extensions of the Standard Model
(slides)
Marius Solberg, Norwegian UST, Norway
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|
| | 14.55 - 15.15
| Aspects of CP-violation in complex singlet extensions of 2HDM
(slides)
Jayita Lahiri, IISER Kolkata, India
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|
| | 15.20 - 15.40
| Spontaneous CP violation from several angles
(slides)
Henrique Brito Câmara, IEAP, Czech Tech. Univ. Prague, Czech Republic
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|
| | 15.45 - 15.52
| From Perturbative Unitarity to CP Violation: Exploring Extended Scalar Sectors
(slides)
Carolina T. Lopes, CFTP/IST, Portugal
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|
| | 15.55 - 16.02
| Sign of the hZZ Couplings and Implications for New Physics
(slides)
Anugrah Prasad, IITIndore, India
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|
| | 16.05 - 16.12
| New Physics Models in Recola2 with Phenomenological Applications
(slides)
Luis Lourenço, JMU/Wurzburg, Germany
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|
| | 16.15 - 16.22
| Gauge-Invariant Bilinear Formalism and Gröbner Bases for the Analysis of Extended Higgs Potentials
(slides)
Omar Moises Asto Rojas, UBB, Chile
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|
| | 16.25 - 16.32
| On Flavour Invariants of the N Higgs Doublet Model
(slides)
Joao Belas, CFTP/IST, Portugal
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|
| | 16.35 - 17.10
| Coffee collaborations
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|
| | 17.10 - 17.17
| Re-asssessing CP-Violation in the C2HDM with Machine Learning
(slides)
Karim Elyaouti, KIT, Germany
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|
| | 17.20 - 17.27
| A three-loop neutrino mass model for dark matter and baryon asymmetry
(slides)
Sora Taniguchi, Osaka U., Japan
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|
| | 17.30 - 17.37
| NLO Corrections to the DM relic density in the CxSM
(slides)
Pedro Gabriel, CFTC/FCUL & KIT, Portugal
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|
| | 17.40 - 17.47
| On the phenomenology of a real inert singlet-triplet dark matter model
(slides)
Jonas Scheibler, DESY, Germany
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|
| | 17.50 - 17.57
| Minimal Non-Abelian Discrete Dark Matter Model
(slides)
Andres Layana Ramirez, UCNorte, Chile
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|
| | 18.00 - 18.07
| The scalar fields of the Grimus-Neufeld model as dark matter candidates
(slides)
Aurimas Vitkus, Vilnius U., Lithuania
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Wednesday, 26th of August of 2026
Morning: Sessions in honour of Maria Krawczyk
| 9.00 - 9.30
| A Deep Dive into Baryon Asymmetry - the C2HDM
(slides)
Milada Muehlleitner, KIT, Germany
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|
| | 9.40 - 10.10
| News from the Inert Doublet Model
(slides)
Tania Robens, Institute Rudjer Boskovic, Croatia
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|
| | 10.20 - 10.50
| Coffee break
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|
| | 10.50 - 11.20
| Conversion-driven baryogenesis with flavoured dark matter
(slides)
Monika Blanke, KIT, Germany
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|
| | 11.30 - 12.00
| Temperature evolution in the Early Universe and freeze-in at stronger coupling
(slides)
Catarina Cosme, U. Coimbra, Portugal
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|
| | 12.10 - 12.40
| A Higgs boson with mass of 95.4 GeV and the maximally CP symmetric model (MCPM)
(slides)
Markos Maniatis, UBB, Chile
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Afternoon
| 14.30 - 14.50
| Probing Extended Higgs Sectors with Top-Quark Spin Correlations
(slides)
Francisco Arco, DESY, Germany
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|
| | 14.55 - 15.15
| Di-Higgs searches in 2b + 2tau channel for C2HDM at HL-LHC
(slides)
Atri Dey, Uppsala University, Sweden
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|
| | 15.20 - 15.40
| Trilinear Higgs Couplings in the THDM at Two Loops and their Impact on Di-Higgs Production
(slides)
Felix Egle, DESY, Germany
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|
| | 15.45 - 15.52
| Assessing boundedness from below in the Z2xZ2 3HDM
(slides)
André Milagre, CFTP/ULisboa, Portugal
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|
| | 15.55 - 16.02
| Search for Light Scalars in the TRSM at the LHC
(slides)
Mohamed Ouchemhou, Institut Ruđer Bošković, Croatia
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|
| | 16.05 - 16.12
| Peccei-Quinn flavored symmetries in a minimal vDFSZ framework
(slides)
José Rocha, CFTP/ULisboa, Portugal
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|
| | 16.15 - 16.22
| CP3 revisited: The rise and fall of a 2HDM model
(slides)
Pedro Santos, CFTP/ULisboa, Portugal
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|
| | 16.25 - 17.00
| Coffee collaborations
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Thursday, 27th of August of 2026
Morning
| 9.00 - 9.30
| Higgs Physics Results from ATLAS
(slides)
Patricia Conde Muino, LIP/IST-ULisboa, Portugal
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|
| | 9.40 - 10.10
| Recent Results from the CMS experiment at the LHC
(slides)
Michele Gallinaro, LIP/IST-ULisboa, Portugal
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|
| | 10.20 - 10.50
| Coffee break
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|
| | 10.50 - 11.20
| Constraining multi-Higgs signals at the (HL)LHC
(slides)
Krzysztof Rolbiecki, Univ. of Warsaw, Poland
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|
| | 11.30 - 12.00
| Probing Spontaneous CP-violation in 2HDMs
(slides)
Kei Yagyu, Tokyo University of Science, Japan
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|
| | 12.10 - 12.40
| CP violation in H^± → W^± Z in the 2HDM
(slides)
Odd Magne Ogreid, West. N. Univ. Ap. Sc., Norway
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Afternoon
No talks on Thursday afternoon.
| 20.00
| CONFERENCE DINNER
The Conference Dinner will take place at 20.00 (8PM) on the 5th of September, just outside IST, at the “Restaurante Gula's” (Rua Dona Filipa de Vilhena, 18A, Tel: 96 297 2396 / 21 315 3805).
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Friday, 27th of August of 2026
Morning
| 9.00 - 9.30
| Flavor probes of a generational Three Higgs Doublet Model
(slides)
Wolfgang Altmannshofer, University of California, Santa Cruz, USA
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|
| | 9.40 - 10.10
| Simplifying the efficient exploration of BSM parameter spaces
(slides)
Mark Goodsell, LPTHE (Sorbonne University and CNRS), France
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|
| | 10.20 - 10.50
| Coffee break
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|
| | 10.50 - 11.20
| Spontaneous CP Violation in an Axion Model
(slides)
Sin Kiu Kang, Seoul Tech, Korea
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|
| | 11.30 - 12.00
| Three Higgs Doublets from a Symplectic Gauge Symmetry
(slides)
David Miller, Univ. of Glasgow, UK,
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|
| | 12.10 - 12.40
| A Three-Higgs Doublet Realization of the BGL Model
(slides)
Dipankar Das, IIT Indore, India
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Afternoon
| 14.30 - 14.50
| Phase Transitions in the 2HDM
(slides)
Rafael Boto, KIT, Germany
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|
| | 14.55 - 15.15
| Bridging electroweak baryogenesis with LHC signatures
(slides)
Guglielmo Coloretti, INFN Bolgna, Italy
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|
| | 15.20 - 15.40
| Radiative neutrino mass generation and dark matter through vectorlike leptons
(slides)
Mohamed Amin Loualidi, United Arab Emirates University, UAE
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|
| | 15.45 - 15.52
| Surveying the complex three Higgs doublet model with Machine Learning
(slides)
João Matos, CFTP/IST, Portugal
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|
| | 15.55 - 16.02
| A GOOFy 3HDM
(slides)
Sara Oliveira, CFTC/FCUL, Portugal
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|
| | 16.05 - 16.12
| 2HDM2S: Exploring parameter spaces with machine learning
(slides)
Tiago Rebelo, CFTP/IST, Portugal
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|
| | 16.15 - 16.22
| Custodial Symmetry and rho Parameter in the Georgi-Machacek Model
(slides)
Subrata Samanta, IIT Kanpur, India
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|
| | 16.25 - 17.00
| Coffee collaborations
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