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8th International School on High-Energy and Astro-Physics (SHEAP 2026): Modified Gravity

→ Asia/Bangkok
Auditorium (Center for Information Technology and Communication Services (CITCOMS), Naresuan University)

Auditorium

Center for Information Technology and Communication Services (CITCOMS), Naresuan University
Description

SHEAP 2026: International School on High-Energy and Astro-Physics

Theme: Modified Gravity and Theoretical Foundations

Announcement Participants

: https://indico.global/event/17514/page/6010-participants

Event Details

Overview

The SHEAP 2026 is an intensive academic program hosted by the Institute for Fundamental Study (IF), Naresuan University. The school aims to provide a comprehensive bridge for advanced undergraduate and graduate students into the frontiers of High-Energy Physics and Astrophysics, focusing on the mathematical structures and physical implications of modified gravity.

Registration Information

The school welcomes undergraduate seniors and graduate students (Master's and Ph.D.) with a strong interest in theoretical physics.

  • Aspect Capacity: 30 participants - (The list of selected participants will be announced later for confirmation.)
    Registration Fee: Free! (No cost to join the activity.)
  • Travel Expenses: Participants are responsible for their own travel costs. We have some travel support for foreign students in ASEAN. This support is limited to 4-5 students, depending on our budget. 

  • Accommodation: We support free on-campus accommodation at Naresuan dormitory for all students.  https://maps.app.goo.gl/SqeMhnvrxy5SNofv6.  This is available upon request. 
    (If you want to stay at a different place, you will be responsible for booking and covering the lodging costs yourself.)

    • Stay period: From the night of August 12 – 19, 2026.

    • Room Format: Shared rooms with other participants (2 people per room, separated by gender).

  • Please provide your information for registration in the following link https://forms.gle/oTNTQm4saHDwFQqH6

Objectives

  • Foundation Building: To provide rigorous training in General Relativity, Field Theory, and Constraint Analysis.

  • Advanced Expertise: To introduce students to modern theories of gravity (Horndeski, DHOST, MMG) and Effective Field Theory (EFT).

  • International Collaboration: To facilitate knowledge exchange between Thai students and world-class experts from international institutions.

Scientific Scope & Key Topics

  • Fundamental Reviews: Review of GR, Field Theory, Cosmology, and Constraint Analysis.

  • Mathematical Foundations: Stability and Causality in gravity, and the Cauchy problem in modified gravity theories.

  • Modern Gravity Theories: Scalar-Tensor theory, Horndeski theory, GLPV theories, DHOST, U-DHOST, and Minimal Modified Gravity (MMG).

  • Effective Field Theory (EFT): Goldstone Bosons, EFT of Inflation, Dark Energy, and its applications in modern physics.

Key Speakers & Instructors

  • Eugeny Babichev (IJCLab, Université Paris-Saclay, France)

  • Antonio de Felice (Yukawa Institute for Theoretical Physics, Kyoto University, Japan)

  • David F. Mota (UNIVERSITY OF OSLO, Norway)

  • Vicharit Yingcharoenrat (Department of Physics, Chulalongkorn University)

  • Nontapat Wanwieng  (NARIT, National Astronomical Research Institute of Thailand)

  • Pitayuth Wongjun (IF, Naresuan University)

  • Khamphee Karwan (IF, Naresuan University)

  • Pichet Vanichchapongjaroen (IF, Naresuan University)

  • Pongwit Srisangyingcharoen (IF, Naresuan University)

Program Highlights

  • Intensive Lectures: Deep dives into theoretical frameworks by leading global experts.

  • Hands-on Tutorials: Evening sessions to solve problems and reinforce lecture concepts (Led by: Supakchai Ponglertsakul, Ratchaphat Nakarachinda, Pitayuth Wongjun).

  • Student Research: Dedicated "Students Talk" sessions for participants to present their work.

  • Academic Excursion: A half-day trip to explore the historical and cultural landmarks of Phitsanulok.

Local organizers

  • Pitayuth Wongjun (IF, Naresuan University)

  • Khamphee Karwan (IF, Naresuan University)

  • Petarpa Boonserm (Faculty of Science, Chulalongkorn University)

Organized and Co-hosted by

โครงการความร่วมมือไทยเซิร์นตราสัญลักษณ์ บพค. – หน่วยบริหารจัดการทุนด้านเทคโนโลยีและนวัตกรรมเพื่ออุตสาหกรรมแห่งอนาคตNational Astronomical Research Institute of Thailand - Wikipedia

 

  • NARIT - National Astronomical Research Institute of Thailand

  • Thai-CERN
  • PMU - Program Management Unit for Frontier Brainpower and Future Industries
  • IF NU - The Institute for Fundamental Study, Naresuan University
For details contact:
  • Thursday 13 August
    • 08:30 → 09:30
      Registration 1h Auditorium

      Auditorium

      Center for Information Technology and Communication Services (CITCOMS), Naresuan University
      Speaker: (IF)
    • 09:30 → 09:45
      Open 15m Auditorium

      Auditorium

      Center for Information Technology and Communication Services (CITCOMS), Naresuan University
      Speaker: Sikarin Yoo-Kong (IF)
      ⭕SHEAP Live Playlist
    • 09:45 → 10:45
      Review of GR 1h Auditorium

      Auditorium

      Center for Information Technology and Communication Services (CITCOMS), Naresuan University
      Speaker: Mr Nontapat Wanwieng
      GR_ISHEAP_slides.pdf
      GR_Problem_set_ISHEAP.pdf
      GR_solution_ISHEAP.pdf
    • 10:45 → 11:00
      Break 15m Auditorium

      Auditorium

      Center for Information Technology and Communication Services (CITCOMS), Naresuan University
      Speaker: (IF)
    • 11:00 → 12:00
      Review of Field Theory 1h Auditorium

      Auditorium

      Center for Information Technology and Communication Services (CITCOMS), Naresuan University
      Speaker: Pongwit Srisangyingcharoen (IF)
      Review_on_Field_theory.pdf
    • 12:00 → 13:00
      Lunch 1h Auditorium

      Auditorium

      Center for Information Technology and Communication Services (CITCOMS), Naresuan University
      Speaker: (IF)
    • 13:00 → 14:00
      Review of constraint analysis 1h Auditorium

      Auditorium

      Center for Information Technology and Communication Services (CITCOMS), Naresuan University
      Speaker: Pichet Vanichchapongjaroen (The Institute for Fundamental Study “The Tah Poe Academia Institute”, Naresuan University)
      ConstraintAnalysis_SHEAP.pdf
    • 14:00 → 14:15
      Break 15m Auditorium

      Auditorium

      Center for Information Technology and Communication Services (CITCOMS), Naresuan University
      Speaker: (IF)
    • 14:15 → 15:15
      Review of cosmology 1h Auditorium

      Auditorium

      Center for Information Technology and Communication Services (CITCOMS), Naresuan University
      Speaker: Pitayuth Wongjun
      SHEAP2026_Cosmo.pdf
      SHEAP2026-Cosmo-pert.pdf
    • 15:15 → 15:30
      Break 15m Auditorium

      Auditorium

      Center for Information Technology and Communication Services (CITCOMS), Naresuan University
      Speaker: (IF)
    • 15:30 → 16:30
      Introduction to modified gravity theories 1h Auditorium

      Auditorium

      Center for Information Technology and Communication Services (CITCOMS), Naresuan University
      Speaker: Dr Khamphee Karwan (The Institute for Fundamental Study)
      talk.pdf
    • 16:30 → 18:30
      Dinner 2h Auditorium

      Auditorium

      Center for Information Technology and Communication Services (CITCOMS), Naresuan University
      Speaker: (IF)
    • 18:30 → 20:30
      Tutorial 2h Auditorium

      Auditorium

      Center for Information Technology and Communication Services (CITCOMS), Naresuan University
  • Friday 14 August
    • 09:45 → 10:45
      Tutorial 1h Auditorium

      Auditorium

      Center for Information Technology and Communication Services (CITCOMS), Naresuan University
      Speakers: Pichet Vanichchapongjaroen (The Institute for Fundamental Study “The Tah Poe Academia Institute”, Naresuan University), Dr Pitayuth Wongjun (The Institute for Fundamental Study, Naresuan University)
      ConstraintAnalysis_SHEAP_exercises.pdf
    • 10:45 → 11:00
      Break 15m Auditorium

      Auditorium

      Center for Information Technology and Communication Services (CITCOMS), Naresuan University
      Speaker: (IF)
    • 11:00 → 12:00
      Reviewing the WKB Approximation for Black Hole Perturbation Theory 1h Auditorium

      Auditorium

      Center for Information Technology and Communication Services (CITCOMS), Naresuan University
      Speaker: Chun Hung Chen
      2026 SHEAP.pdf
    • 12:00 → 13:00
      Lunch 1h Auditorium

      Auditorium

      Center for Information Technology and Communication Services (CITCOMS), Naresuan University
      Speaker: (IF)
    • 13:00 → 14:00
      Instabilities Ghosts Ostrogradsky 1h Auditorium

      Auditorium

      Center for Information Technology and Communication Services (CITCOMS), Naresuan University
      Speaker: Eugeny BABICHEV
      Lecture1_Instabilities_Ghosts_Ostrogradsky.pdf
    • 14:00 → 14:15
      Break 15m Auditorium

      Auditorium

      Center for Information Technology and Communication Services (CITCOMS), Naresuan University
      Speaker: (IF)
    • 14:15 → 15:15
      Characteristics Hyperbolicity Causality 1h Auditorium

      Auditorium

      Center for Information Technology and Communication Services (CITCOMS), Naresuan University
      Speaker: Eugeny BABICHEV
      Lecture2_Characteristics_Hyperbolicity_Causality.pdf
    • 15:15 → 15:30
      Break 15m Auditorium

      Auditorium

      Center for Information Technology and Communication Services (CITCOMS), Naresuan University
      Speaker: (IF)
    • 15:30 → 16:30
      Kessence Galileons 1h Auditorium

      Auditorium

      Center for Information Technology and Communication Services (CITCOMS), Naresuan University
      Speaker: Eugeny BABICHEV
      Lecture3_kessence_galileons.pdf
    • 16:30 → 18:30
      Dinner 2h Auditorium

      Auditorium

      Center for Information Technology and Communication Services (CITCOMS), Naresuan University
      Speaker: (IF)
    • 18:30 → 19:30
      Horndeski 1h Auditorium

      Auditorium

      Center for Information Technology and Communication Services (CITCOMS), Naresuan University
      Speaker: Eugeny BABICHEV
      Lecture4_Horndeski.pdf
    • 19:30 → 20:30
      Beyond Horndeski 1h Auditorium

      Auditorium

      Center for Information Technology and Communication Services (CITCOMS), Naresuan University
      Speaker: Eugeny BABICHEV
      Lecture5_BeyondHorndeski.pdf
  • Saturday 15 August
  • Sunday 16 August
    • 09:45 → 10:45
      Introduction to Effective Field Theory1 1h Auditorium

      Auditorium

      Center for Information Technology and Communication Services (CITCOMS), Naresuan University
      Speakers: Vicharit Yingcharoenrat (SISSA), Vicharit Yingcharoenrat
      1.Intro_EFT.pdf
    • 10:45 → 11:00
      Break 15m Auditorium

      Auditorium

      Center for Information Technology and Communication Services (CITCOMS), Naresuan University
      Speaker: (IF)
    • 11:00 → 12:00
      Introduction to Effective Field Theory2 1h Auditorium

      Auditorium

      Center for Information Technology and Communication Services (CITCOMS), Naresuan University
      Speakers: Vicharit Yingcharoenrat, Vicharit Yingcharoenrat (SISSA)
    • 12:00 → 13:00
      Lunch 1h Auditorium

      Auditorium

      Center for Information Technology and Communication Services (CITCOMS), Naresuan University
      Speaker: (IF)
    • 13:00 → 14:00
      Review of Goldstone Bosons in Effective Field Theory 1h Auditorium

      Auditorium

      Center for Information Technology and Communication Services (CITCOMS), Naresuan University
      Speakers: Vicharit Yingcharoenrat (SISSA), Vicharit Yingcharoenrat
      2.Goldstone.pdf
    • 14:00 → 14:15
      Break 15m Auditorium

      Auditorium

      Center for Information Technology and Communication Services (CITCOMS), Naresuan University
      Speaker: (IF)
    • 14:15 → 15:15
      Effective Field Theory of Inflation/Dark Energy 1h Auditorium

      Auditorium

      Center for Information Technology and Communication Services (CITCOMS), Naresuan University
      Speakers: Vicharit Yingcharoenrat (SISSA), Vicharit Yingcharoenrat
      3.EFT_Inflation_DE.pdf
    • 15:15 → 15:30
      Break 15m Auditorium

      Auditorium

      Center for Information Technology and Communication Services (CITCOMS), Naresuan University
      Speaker: (IF)
    • 15:30 → 16:30
      Applications of Effective Field Theory and Outlook 1h Auditorium

      Auditorium

      Center for Information Technology and Communication Services (CITCOMS), Naresuan University
      Speakers: Vicharit Yingcharoenrat, Vicharit Yingcharoenrat (SISSA)
    • 16:30 → 18:30
      Dinner 2h The Institute for Fundamental Study

      The Institute for Fundamental Study
      Speaker: (IF)
    • 18:30 → 20:30
      Tutorial 2h The Institute for Fundamental Study

      The Institute for Fundamental Study
      Exercise_EFT.pdf
  • Monday 17 August
    • 09:45 → 10:15
      $\delta$CDM: a control deviation from $\Lambda$CDM 30m Auditorium

      Auditorium

      Center for Information Technology and Communication Services (CITCOMS), Naresuan University

      Introduce yourself and describe your research work roughly for three minutes each

      Speakers: (IF), Dr Nandan Roy (Centre for Theoretical Physics and Natural Philosophy, Mahidol University, Thailand)
      delta_cdm.pdf
    • 10:15 → 10:45
      Hamiltonian analysis of quadratic duality-symmetric action in the Sen formalism 30m Auditorium

      Auditorium

      Center for Information Technology and Communication Services (CITCOMS), Naresuan University

      Introduce yourself and describe your research work roughly for three minutes each

      Speakers: (IF), Pichet Vanichchapongjaroen (The Institute for Fundamental Study “The Tah Poe Academia Institute”, Naresuan University)
      HamQuadDualSymSen_8thSHEAP.pdf
    • 10:45 → 11:00
      Break 15m Auditorium

      Auditorium

      Center for Information Technology and Communication Services (CITCOMS), Naresuan University
      Speaker: (IF)
    • 11:00 → 11:30
      Research talk "Rotating black hole with Dehen dark matter profile" 30m Auditorium

      Auditorium

      Center for Information Technology and Communication Services (CITCOMS), Naresuan University
      Speaker: Supakchai Ponglertsakul
      SHEAP_2026-A.pdf
    • 11:30 → 12:00
      Reasearch talk "Bipartite reconstruction of Schwartzchild-de Sitter black hole" 30m Auditorium

      Auditorium

      Center for Information Technology and Communication Services (CITCOMS), Naresuan University
      Speakers: Lunchakorn Tannukij (King Mongkut's Institute of Technology Ladkrabang), Lunchakorn Tannukij (Mahidol University), Lunchakorn Tannukij (Mahidol University)
    • 12:00 → 13:00
      Lunch 1h Auditorium

      Auditorium

      Center for Information Technology and Communication Services (CITCOMS), Naresuan University
      Speaker: (IF)
    • 13:00 → 13:30
      Excursion - Travel from Naresuan University to Phitsanulok city 30m Auditorium

      Auditorium

      Center for Information Technology and Communication Services (CITCOMS), Naresuan University
      Speaker: (IF)
    • 13:30 → 14:30
      Excursion - Tour at Wat Phra Si Rattana Mahathat 1h Auditorium

      Auditorium

      Center for Information Technology and Communication Services (CITCOMS), Naresuan University

      https://maps.app.goo.gl/R2sjKZr5FRkNv1HeA

      Speaker: (IF)
    • 14:30 → 15:00
      Excursion - Travel from Wat Phra Si Rattana Mahathat to Wat Chan Tawan Tok 30m Auditorium

      Auditorium

      Center for Information Technology and Communication Services (CITCOMS), Naresuan University
      Speaker: (IF)
    • 15:00 → 16:00
      Excursion - Tour at Wat Chan Tawan Tok 1h Auditorium

      Auditorium

      Center for Information Technology and Communication Services (CITCOMS), Naresuan University

      https://maps.app.goo.gl/XB9HqpPWnzBZnZvp6

      Speaker: (IF)
    • 16:00 → 16:30
      Excursion - Travel back to Naresuan University 30m Auditorium

      Auditorium

      Center for Information Technology and Communication Services (CITCOMS), Naresuan University
      Speaker: (IF)
    • 16:30 → 20:30
      Free time 4h Auditorium

      Auditorium

      Center for Information Technology and Communication Services (CITCOMS), Naresuan University

      You may enjoy the food street associated with Science week.

      Speaker: (IF)
  • Tuesday 18 August
    • 09:45 → 10:45
      Foundations of Modified Gravity 1h Auditorium

      Auditorium

      Center for Information Technology and Communication Services (CITCOMS), Naresuan University
      Speaker: Prof. Antonio De Felice (Yukawa Institute for Theoretical Physics, Kyoto University)
      Lectures_notes_DHOST_IF_Ago2026-20260817T092049Z-1-001.zip
      modified_gravity_lectures_v5.pdf
      slides_lecture_1.pdf
      slides_lecture_2.pdf
      slides_lecture_3.pdf
      slides_lecture_4.pdf
      slides_lecture_5.pdf
    • 10:45 → 11:00
      Break 15m Auditorium

      Auditorium

      Center for Information Technology and Communication Services (CITCOMS), Naresuan University
      Speaker: (IF)
    • 11:00 → 12:00
      Quadratic DHOST Theories 1h Auditorium

      Auditorium

      Center for Information Technology and Communication Services (CITCOMS), Naresuan University
      Speaker: Prof. Antonio De Felice (Yukawa Institute for Theoretical Physics, Kyoto University)
    • 12:00 → 13:00
      Lunch 1h Auditorium

      Auditorium

      Center for Information Technology and Communication Services (CITCOMS), Naresuan University
      Speaker: (IF)
    • 13:00 → 14:00
      U-DHOST Theories and the Shadowy Mode 1h Auditorium

      Auditorium

      Center for Information Technology and Communication Services (CITCOMS), Naresuan University
      Speaker: Prof. Antonio De Felice (Yukawa Institute for Theoretical Physics, Kyoto University)
    • 14:00 → 14:15
      Break 15m Auditorium

      Auditorium

      Center for Information Technology and Communication Services (CITCOMS), Naresuan University
      Speaker: (IF)
    • 14:15 → 15:15
      The Minimal Theory of Massive Gravity (MTMG) 1h Auditorium

      Auditorium

      Center for Information Technology and Communication Services (CITCOMS), Naresuan University
      Speaker: Prof. Antonio De Felice (Yukawa Institute for Theoretical Physics, Kyoto University)
    • 15:15 → 15:30
      Break 15m Auditorium

      Auditorium

      Center for Information Technology and Communication Services (CITCOMS), Naresuan University
      Speaker: (IF)
    • 15:30 → 16:30
      VCDM, Type-II Minimally Modified Gravity, and Maple Workshop 1h Auditorium

      Auditorium

      Center for Information Technology and Communication Services (CITCOMS), Naresuan University
      Speaker: (IF)
    • 16:30 → 18:30
      Dinner 2h Auditorium

      Auditorium

      Center for Information Technology and Communication Services (CITCOMS), Naresuan University
      Speaker: (IF)
    • 18:30 → 20:30
      Tutorial 2h Auditorium

      Auditorium

      Center for Information Technology and Communication Services (CITCOMS), Naresuan University
  • Wednesday 19 August
    • 09:45 → 10:45
      Experimental tests of General Relativity and motivations for modified gravity 1h Auditorium

      Auditorium

      Center for Information Technology and Communication Services (CITCOMS), Naresuan University
      Speaker: David F. Mota
      Mota-2026-LECTURE-1.pdf
    • 10:45 → 11:00
      Break 15m Auditorium

      Auditorium

      Center for Information Technology and Communication Services (CITCOMS), Naresuan University
      Speaker: (IF)
    • 11:00 → 12:00
      Scalar-tensor theories, fifth forces, and screening mechanisms 1h Auditorium

      Auditorium

      Center for Information Technology and Communication Services (CITCOMS), Naresuan University
      Speaker: David F. Mota
      Mota-2026-LECTURE-2.pdf
    • 12:00 → 13:00
      Lunch 1h Auditorium

      Auditorium

      Center for Information Technology and Communication Services (CITCOMS), Naresuan University
      Speaker: (IF)
    • 13:00 → 14:00
      Structure formation, galaxy clusters, and gravitational mass measurements 1h Auditorium

      Auditorium

      Center for Information Technology and Communication Services (CITCOMS), Naresuan University
      Speaker: David F. Mota
      Mota-2026-LECTURE-3.pdf
    • 14:00 → 14:15
      Break 15m Auditorium

      Auditorium

      Center for Information Technology and Communication Services (CITCOMS), Naresuan University
      Speaker: (IF)
    • 14:15 → 15:15
      Environmental probes using halos, filaments, and cosmic voids 1h Auditorium

      Auditorium

      Center for Information Technology and Communication Services (CITCOMS), Naresuan University
      Speaker: David F. Mota
      Mota-2026-LECTURE-4.pdf
    • 15:15 → 15:30
      Break 15m Auditorium

      Auditorium

      Center for Information Technology and Communication Services (CITCOMS), Naresuan University
      Speaker: (IF)
    • 15:30 → 16:30
      Gravitational waves, varying constants, and observational constraints 1h Auditorium

      Auditorium

      Center for Information Technology and Communication Services (CITCOMS), Naresuan University
      Speaker: David F. Mota
      Mota-2026-LECTURE-5.pdf
    • 16:30 → 18:30
      Dinner 2h Auditorium

      Auditorium

      Center for Information Technology and Communication Services (CITCOMS), Naresuan University
      Speaker: (IF)
    • 18:30 → 20:30
      Tutorial 2h Auditorium

      Auditorium

      Center for Information Technology and Communication Services (CITCOMS), Naresuan University
  • Thursday 20 August
    • 09:45 → 10:15
      Probing Axion-Photon Conversion in PSR J1745-2900 Magnetosphere with ALMA Observation 30m Auditorium

      Auditorium

      Center for Information Technology and Communication Services (CITCOMS), Naresuan University
      Speakers: (IF), Nutnicha Masoongnoen (Kasetsart University)
      SHEAP_Nutnicha_Axion-Photon Conversion2.pdf
    • 10:15 → 10:45
      Cosmological model with nonminimal nonlinear electrodynamics (NLED)-gravity coupling 30m Auditorium

      Auditorium

      Center for Information Technology and Communication Services (CITCOMS), Naresuan University
      Speakers: (IF), Chilwatun Nasiroh
      Chilwa's presentation_SHEAP2026_20082026.pdf
    • 10:45 → 11:00
      Break 15m Auditorium

      Auditorium

      Center for Information Technology and Communication Services (CITCOMS), Naresuan University
      Speaker: (IF)
    • 11:00 → 12:00
      Public Talk: Is here evidance for a beginning of the Universe and the Big Bang? 1h Auditorium

      Auditorium

      Center for Information Technology and Communication Services (CITCOMS), Naresuan University
      Speakers: (IF), David F. Mota
    • 12:00 → 13:00
      Lunch 1h Auditorium

      Auditorium

      Center for Information Technology and Communication Services (CITCOMS), Naresuan University
      Speaker: (IF)
    • 13:00 → 13:30
      RG-improved in Nonlocal Higgs-Starobinsky inflation 30m Auditorium

      Auditorium

      Center for Information Technology and Communication Services (CITCOMS), Naresuan University
      Speakers: (IF), Daris Samart, Daris Samart
      30-mins_SHEAP2026_Removable.pdf
    • 13:30 → 14:00
      Introduction to Asymptotic Symmetries and Celestial Holography 30m Auditorium

      Auditorium

      Center for Information Technology and Communication Services (CITCOMS), Naresuan University
      Speakers: (IF), Pongwit Srisangyingcharoen
      Intro-to-Asymptotic-Symmetries-and-Celestial-Holography.pdf
    • 14:00 → 14:15
      Break 15m Auditorium

      Auditorium

      Center for Information Technology and Communication Services (CITCOMS), Naresuan University
      Speaker: (IF)
    • 14:15 → 14:45
      Conserved charges in general relativity 30m Auditorium

      Auditorium

      Center for Information Technology and Communication Services (CITCOMS), Naresuan University
      Speakers: (IF), Seyed Naseh Sajadi
    • 14:45 → 15:00
      Close 15m Auditorium

      Auditorium

      Center for Information Technology and Communication Services (CITCOMS), Naresuan University
      Speaker: (IF)