Program

The 4th PU International Conference on Gravitation and Cosmology will feature a variety of plenary talks, contributed talks in main as well as in parallel sessions covering the topics on Gravitation and Cosmology.

Note: The duration of talks will include 3-5 minutes for question/answers.

The conference schedule can be downloaded here.

Time (hours)
PKT
Sunday, November 21, 2021
Day-0
1600 – 1800 REGISTRATION
Venue: The University Club, University of the Punjab, Lahore
1800 – 2000 WELCOME RECEPTION (Only for Outstation Guests)
Venue: The University Club, University of the Punjab, Lahore
 
Time (hours)
PKT
Monday, November 22, 2021
Day-1
0830-1000 REGISTRATION
1000-1045 INAUGURATION CEREMONY
1045-1100 GROUP PHOTO
1100-1130
Tea Break
Session Chair: Muhammad Sharif
1130-1200 Francesco De Paolis (Online) (Public Talk)
Never Bet against Einstein
1200-1230 Kazuharu Bamba (Online)
Review on the issue of Dark Energy and Modified Gravity
1230-1300 Bobomurat Ahmedov (Online)
On Observational Properties of Gravitational Compact Objects
1300-1400
Lunch Break
Session Chair: Bobomurat Ahmedov / Ghulam Abbas
1400-1440 Rong-Gen Cai (Online)      
Primordial Black Holes and Stochastic Gravitational Waves Induced by Scalar Perturbation
1440-1505 Khalid Saifullah
Deformations of the Kerr Black Hole
1505-1520
Tea Break
Session Chair: Asghar Qadir
1520-1550 Naresh K. Dadhich (Online)
The Two Constants of Spacetime Structure
1550-1620 Martin Dominik (Online)
The New Frontiers of Gravitational Microlensing
1620-1700 Anzhong Wang (Online)
Testing Gravitational Theories with Broken Lorentz Symmetry by Gravitational Wave and Black Hole Observations
    
Time (hours)
PKT
Tuesday, November 23, 2021
Day-2
Session Chair: Azad A. Siddiqui
0930-1015 Asghar Qadir
Foliation of Schwarzschild and Reissner-Nordstrom Black Holes Revisited
1015-1045 Francisco S. N. Lobo (Online)
Curvature-Matter Couplings in Modified Gravity
1045-1100 Muhammad Zubair
Gravitationally Decoupled Fluid Spheres in f(R,T)
1100-1120
Tea Break
Session Chair: Khalid Saifullah
1120-1140 Azad A. Siddiqui
On Solutions of the Einstein-Maxwell Field Equations using the Segre Classification
1140-1155 Ghulam Abbas
Complexity Factor for Anisotropic Source in Non-minimal Coupling Metric f(R) Gravity
1155-1210 Suhail Khan
Spherically Symmetric Static Lorentzian Ricci Soliton
1210-1225 Faisal Javed
Stability of Thin-Shell Wormholes with Non-Linear Electrodynamics
1225-1240 Umber Sheikh
On Dynamics of Anisotropic Compact Stars in Rainbow Gravity
1240-1320 Luciano Rezzolla (Online)
Imaging a Supermassive Black Hole
1320-1400
SPECIAL SESSION
(devoted to Prof. Ghulam Shabbir)
1400–1800
WORKING LUNCH/LOCAL EXCURSION
(Only for Outstation Guests)
Parallel Session-I
Session Chair: Rabia Saleem
1120-1135 Muhammad Ayub Khan Yousaf Zai
Wavelet Analysis of Interaction of Radio-wave with the Ionosphere at Pakistan Air Space
1135-1150 Zoha Tariq
Effects of Charge on Polytropes in Modified Theory of Gravity
1150-1205 Muhammad Zeeshan Gul
Study of Isotropic Compact Objects in Energy-Momentum Squared Gravity
1205-1215 Ume Farwa
Role of Structure Scalars in the Study of Axially and Reflection Symmetric Spacetime
1215-1225 Allah Ditta
Matter Accretion onto Holographic Massive Gravity Black Hole
1225-1235 Hammad Nazar
Stellar Shear-Free Gravitational Collapse with Karmarkar Condition in f(R) Gravity
1320-1400
SPECIAL SESSION
(devoted to Prof. Ghulam Shabbir)
1400 – 1800
WORKING LUNCH/LOCAL EXCURSION
(Only for Outstation Guests)
Parallel Session-II
Session Chair: Umber Sheikh
1120-1130 Mariyah Aslam
Compact Objects by Gravitational Decoupling in f(R) Gravity
1130-1140 Fizza Furqan
Extended Decoupled Static Spherical Objects in f(R,T) Theory
1140-1150 Sana Arshad
Effect of Electric Field on Collapsing String Fluid in Rainbow Gravity
1150-1200 Yousra Aziz
On Evolution of Compact Stars from String Fluid in Rastall Gravity
1200-1210 Muhammad Usman Haider
Construction of Kazokov-Solodukhin Kerr Black Hole
1210-1220 Sadia Khaliq
Acoustic Black Holes
1220-1230 Nisa Amir
The Black Hole Perturbation Toolkit
1320-1400
SPECIAL SESSION
(devoted to Prof. Ghulam Shabbir)
1400-1800
WORKING LUNCH/LOCAL EXCURSION
(Only for Outstation Guests)
 
Time (hours)
PKT
Wednesday, November 24, 2021
Day-3
Session Chair: Francesco De Paolis / Ibrar Hussain
0930-1000 Sijie Gao (Online)
General Properties of Light Rings for Stationary Spacetimes
1000-1015 Muhammad Jawed Iqbal
Globular Clusters Age Determination for Putting Constraints on Cosmological Models
1015-1045 Gonzalo J. Olmo (Online)
Recent Progress on Ricci-Based Gravity Theories
1045-1100
Tea Break
Session Chair: Philippe Jetzer / Hafiza Rizwana Kausar
1100-1115 Rabia Saleem
Wormholes with Vanishing Sound Speed under a Numerical Approximation
1115-1130 Rubab Manzoor 
Cluster of Stars in Modified Gravity
1130-1145 Aisha Siddiqa  
Gravitational Waves Propagation in the Context of f(R) Theory
1145-1200 Ayesha Ikram 
Stability Analysis of Einstein Universe in f(G,T) Gravity
1200-1230 Aroonkumar Beesham (Online) 
Dark Energy, Chaplygin Gas and Viscosity
1230-1300 Salvatore Capozziello (Online)
Non-Local Gravity Cosmology
1300-1400
Lunch Break
Session Chair: Gonzalo J. Olmo / Zeeshan Yousaf
1400-1440 Luis Herrera (Online)
Hyperbolically Symmetric Fluids
1440-1520 Philippe Jetzer (Online)
Tests of General Relativity with LISA
1520-1550 Diego Rubiera-Garcia (Online)
Light Rings as Smoking Guns of Black Hole Mimickers
1550-1620 Ugur Camci (Online)
Integration of the Geodesic Equations via Noether Symmetries
1620-1650 Malcolm A. H. MacCallum (Online)
Spacetimes with Continuous Local Isotropies
Parallel Session-I
 
Session Chair: Suhail Khan 
1100-1115 Umara Kausar
Mei Symmetries of Bardeen Spacetimes
1115-1130 Aqsa Yasmin
Massive Sterile Neutrinos in Dark Matter Halos
1130-1145 Iqra Shahid
Study of Warm in Action using Irreversible Thermodynamical Description within Rastall Gravity
1145-1200 Nadeem Azhar     
Gravitational Baryogenesis in Modified Theories of Gravity
1300-1400
Lunch Break
Parallel Session-II
Session Chair: Muhammad Zubair
1100-1110 Shahid Chaudhary
Thermodynamics and Grey-body Factors of Black Holes
1110-1120 Shiraz Khan
A Framework for Generalized Polytropes with Complexity Factor using Charged Cylindrical Symmetry
1120-1130 Muhammad Bilal
Analysis of the Velocity Rotational Curves Via Weyl-Interactive Modified Gravity
1130-1140 Umer Rehman
The Quantum Gravitational Instability Analysis of Compact Astrophysics Objects
1140-1150 Muhammad Tahir
Spherically Symmetric Gravitational Collapse in Einstein Gauss–Bonnet theory
1300 - 1400
Lunch Break
 
1830-2100
CONFERENCE BANQUET GALA
(Theme:
Pink & Blue)
 
Time (hours)
PKT
Thursday, November 25, 2021
Day-4
Session Chair: Jameel Un Nabi
0930-0945 Ibrar Hussain
Schwarzschild Black Hole Surrounded by Quintessence and the Existence of Marginally Stable Circular Orbits of Test Particles
0945-1000 Iqra Nawazish
Cosmological Evolution of Non-Flat GGPDE f (R) Model
1000-1015 Isil Basaran Oz (Online)
Solutions for the Plane Symmetric f(R) Theory via Noether Symmetry
1015-1030 Syed Naqvi (Online)
Standing Gravitational Waves
1030-1045 Artur Alho (Online)
Dynamical Systems Analysis of Quintessence
1045-1100
Tea Break
Session Chair: Ugur Camci/Muhammad Jawed Iqbal
1100-1115 Jaime de Cabo Martin (Online) 
Inequivalent Quantum Cosmological Bouncing Models and the Primordial Structure
1115-1130 Ruth Lazkoz (Online)
Observational Constraints on Cosmological Solutions of f(Q) Theories
1130-1145 Danijela Brankovic (Online)
Dynamics of the \Lambda CDM Model of the Universe from the Mathematical Point of View
1145-1205 Muhammad Sharif/Amal Majid
Decoupled Solutions in Self-Interacting Brans-Dicke Gravity
1205-1230 Jameel Un Nabi
Publishing of a New List of Important Weak-Interaction Nuclei during Presupernova Evolution
1230-1315
SPECIAL SESSION
(devoted to Prof. Asghar Qadir on his 75th birthday)
1315-1400
CLOSING CEREMONY
1400-1500
Lunch