Here our previous seminars from the academic year 2025/26 are listed.

Date
Speaker
Title (click on it to download the presentation)
3 Oct no seminar  
10 Oct Paweł Nurowski Beltrami --De Sitter model 📷
17 Oct Farshid Soltani Gravitational collapse in effective loop quantum gravity 📷
24 Oct Marek Szczepańczyk Exploring the Universe with gravitational waves - news from the fourth observing run by LIGO-Virgo-KAGRA 
31 Oct no seminar  


The seminars from the academic year 2024/25 are listed here..

Date
Speaker
Title (click on it to download the presentation)
4 Oct Shubhagata Bhaumik and Tanmaya Mishra Expanding the Gravitational Wave Frontier: Detecting Exceptional Binary Black Hole Mergers with a Model-Independent Search 📷
11 Oct Alex Colling Rigidity of the extremal Kerr-Newman horizon 📷
8 Nov A. Ashtekar, H. Sahlmann, P. Nurowski, Y. Ma, W. Kaminski, D. Dobkowski-Rylko Prof. Jerzy Lewandowski memorial seminar 📷
15 Nov Alice Boldrin Time problem in perturbation theory 📷
22 Nov Wojciech Kaminski Extreme isolated horizons 
29 Nov Sebastian Szybka Linearized Halilsoy and Chandrasekhar standing gravitational waves 📷
6 Dec no seminar Theoretical Physics Symposium 
13 Dec Koushiki Bhattacharyya Gravitational Collapse of Real Scalar Fields: Fundamentals and Applications 📷
20 Dec Anna Liu Exploring the Universe with Gravitational Waves: From Lensing to Testing General Relativity 📷
10 Jan Luca Cafaro Stellar collapse with pressure in effective loop quantum gravity 📷
17 Jan Maciej Dunajski Integrability of quantum dots 📷
24 Jan Antony Valentini Beyond the Born rule in quantum gravity 📷
28 Feb Maciej Ossowski Axis and conicity in the presence of the NUT parameter 📷
7 Mar Marek Lewicki Search for cosmological phase transitions through their gravitational wave signals 📷
14 Mar Tomasz Taylor De S-matrix 📷
21 Mar Cong Zhang Black Holes and Covariance in Effective Quantum Gravity 📷
28 Mar Arman Taghavi-Chabert Perturbations of Fefferman spaces over (almost) CR manifolds 📷
4 Apr no seminar  
11 Apr Jerzy Kowalski-Glikman The corner conjecture for Quantum Gravity 
25 Apr   
16 May Ilkka Mäkinen  
23 May Alejandro Casallas-Lagos  
30 May Joerg Frauendiener  
6 Jun Mikołaj Korzyński  
13 Jun Rafał Ćwiek  


The seminars from the academic year 2023/24 are listed here.

Date
Speaker
Title (click on it to download the presentation)
6 Oct Piotr Chruściel Hyperbolic mass in 2+1 dimensions 
13 Oct Patryk Mach Solving Kerr geodesic equations in terms of Weierstrass functions and applications to Vlasov models 
20 Oct Jan Dereziński Green functions of the Klein-Gordon equation on curved spacetimes 
27 Oct no seminar  
3 Nov   
10 Nov Philip Beltracchi Physical interpretation of the Newman-Janis algorithm 📷
17 Nov David Matejov Uniqueness of extremal isolated horizons and their identification with horizons of type D black holes 📷
24 Nov Orest Hrycyna A generic cosmological model without initial singularity and fundamental symmetry of space-time 
1 Dec Alexander Kamenshchik Newman-Janis algorithm's application to regular black hole models. Regular rotating black hole: to Kerr or not to Kerr? 📷
8 Dec Jerzy Lewandowski Intrinsic uniqueness of extreme Horizons 📷
15 Dec Wojciech Kaminski The Fefferman-Graham obstruction tensor and conformal Einstein's equations 
22 Dec Maciej Kolanowski Strong Cosmic Censorship: A Quantum Update 📷
12 Jan Maciej Dunajski Quasi Einstein Metrics on Surfaces 📷
19 Jan Pankaj Joshi Changing Paradigms in Blackhole Physics 📷
26 Jan Sumit Dey A classical perspective into Emergent paradigm of Gravity 📷
2 Feb break  
1 Mar Karim Mosani Geometry and topology of trapped photon region in a class of stationary spacetimes 📷
8 Mar Ludovic Varrin On the covariant formulation of gauge theories with boundaries 📷
15 Mar Luca Cafaro Status of Birkhoff 's theorem in polymerized semiclassical regime of Loop Quantum Gravity 
22 Mar Maciej Ossowski New solutions to the Petrov Type D equation with U(1)-symmetry 📷
5 Apr Marek Abramowicz Primordial black holes in the dark matter halo of our Galaxy 📷
12 Apr Przemysław Małkiewicz Quantum gravity in the sky: cosmological entanglement 📷
26 Apr Dawid Maskalaniec Creation of Hawking quanta far away from a black hole 📷
10 May Jakub Mielczarek Squeezing of light from Planck-scale physics 
17 May Paola Moreira Delgado Theoretical and Phenomenological Cosmology: Early Universe and Gravitational Wave Physics 📷
24 May Leszek Hardasz Equivalencies of two-dimensional CFT models and relations between quantum field theories in different space-time dimensions 📷
7 Jun Rafał Ćwiek Separation of the wave equation in black hole spacetimes 
14 Jun Marek Szczepanczyk Searching for exceptional gravitational-wave sources in the LIGO/Virgo/KAGRA observing runs 📷


The seminars from the academic year 2022/23 are listed here.

Date
Speaker
Title (click on it to download the presentation)
7 Oct Andrzej Dragan Relativity of superluminal observers in 1+3 spacetime 📷
14 Oct Jerzy lewandowski Black holes and quantum spacetimes 📷
21 Oct Adam Cieślik Revisiting timelike and null geodesics in the Schwarzschild spacetime: general expressions in terms of Weierstrass elliptic functions 📷
28 Oct Andrzej Góźdź Quantum time 📷
4 Nov Bianca Dittrich (16:00) Progress and challenges for the Lorentzian quantum gravity path integral 📷
18 Nov Igor Khavkine Initial data for closed conformal Killing vectors and Killing-Yano 2-forms 📷
25 Nov Theodore A. Jacobson Reduced phase space quantization of a 2+1 dimensional causal diamond 📷
2 Dec Edward Wilson-Ewing (15:30) On the fate of quantum black holes 📷
9 Dec Marek Szczepanczyk Multi-messenger Astrophysics with gravitational-wave sources - preparing for the unexpected 📷
16 Dec James Lucietti Classification of static extreme black holes 
13 Jan Omid Makhmali Conformal structures with an infinitesimal symmetry 📷
20 Jan Włodzimierz Piechocki Stochasticity of the BKL scenario 📷
27 Jan Paweł Nurowski Triality and realizations of real forms of simple exceptional Lie group E6 📷
3 Mar Adam Bac Yang-Mills theory of the conformal Cartan connection: applications to gravity 
10 Mar Jerzy Kijowski On the dangers and ambushes awaiting a theoretical physicist as soon as he starts to apply variational principles 📷
17 Mar Jan Ostrowski Relativistic structure formation beyond the standard perturbation theory 📷
24 Mar Ilkka Makinen Loop quantum gravity in diagonal gauge 📷
31 Mar Piotr Chruściel Gluing variations 📷
14 Apr Maciej Kolanowski Smooth extremal horizons and other tales 📷
21 Apr Jakub Gizbert-Studnicki Four-dimensional Causal Dynamical Triangulations - the status report 
28 Apr Jerzy Kowalski-Glikman Why there is (almost) nothing rather than something? The cosmological constant problem 📷
5 May Marek Biesiada Measuring the speed of light on extragalactic objects 📷
19 May Mehdi Assanioussi Graph coherent states for loop quantum gravity 📷
26 May Rafał Ćwiek Injectivity of Lorentzian EPRL map in spin foam models 📷
2 Jun Seminar cancelled  
16 Jun Andrea Bevilacqua kappa-deformed boost for a two-particle system 📷


The seminars from the academic year 2021/22 are listed here.



The seminars from the academic year 2020/21 are listed here.



The seminars from the academic year 2019/20 are listed here.

Date
Speaker
Title (click on it to download the presentation)
4 Oct Jacek Jezierski Geometry of null hypersurfaces 
11 Oct Jakub Mielczarek From Quantum Gravity to Quantum Computing 
18 Oct Jerzy Kowalski-Glikman Gravity as a constrained BF theory 
25 Oct Ryszard Kerner New approximation methods for relativistic two-body problem 
1 Nov seminar cancelled  
8 Nov Sebastian Szybka Standing gravitational waves 
14 Nov Sabrina Gonzalez Pasterski Implications of superrotations (joint seminar with KMMF) 
15 Nov Jerzy Kijowski The essence of gravity. Does "general theory" need generalizations? 
22 Nov László András General Relativity experiment with spin polarized particle beams 
29 Nov Armando Cabrera Pacheco On the role of sequences of manifolds and convergence in general relativity 
6 Dec Krzysztof A. Meissner Conformal Cyclic Cosmology 
13 Dec Giacomo Rosati Testing quantum spacetime symmetries with gamma-ray-burst neutrinos and photons 
20 Dec seminar cancelled  
10 Jan Andrzej Królak Recent observations of gravitational wave signals by LIGO and Virgo detectors 
17 Jan Konrad Topolski Particle trapping by gravitational waves 
24 Jan Tomasz Smołka Conserved quantities related to (3+1) decomposition of CYK tensors 
28 Feb Andrzej Rostworowski Cosmological perturbations in the Regge-Wheeler formalism 
6 Mar Anna Nakonieczna Gravitational collapse involving the dark sector 
13 Mar seminar cancelled  
20 Mar Maciej Ossowski Non-singular Kerr-NUT-de Sitter spacetimes 
27 Mar Piotr Chruściel Energy of weak gravitational waves with a positive cosmological constant 
3 Apr seminar cancelled  
8 Apr Tomasz Pawłowski Loop Quantum Cosmology - a health check 
17 Apr Andrzej Okołów Does time always slow down as gravity increases?: Some (pedagogical) remarks on gravitational time dilation 
24 Apr Naresh Dadhich Buchdahl compactness limit and gravitational field energy 
4 May Eryk Buk Symmetries of near-horizon geometry equations 
8 May seminar cancelled Juvenalia 
15 May Maciej Kolanowski Penrose limits, quantum states and semiclassical Einstein equations 
22 May Piotr Jaranowski Applications of the ADM Formalism to the Relativistic Two-Body Problem 
29 May Cong Zhang Loop quantum gravity inspired blackhole remnant 
5 Jun Włodzimierz Piechocki Quantum BKL scenario 


The seminars from the academic year 2018/19 are listed here.

Date
Speaker
Title (click on it to download the presentation)
5 Oct Paweł Nurowski Kerr's theorem revisited 
12 Oct Ewa Czuchry Cosmological scenarios in Horava-Lifshitz modified theory of gravity 
19 Oct Tomasz Smołka Electromagnetic and gravitational Hopfions 
26 Oct Wojciech Kamiński About self-adjointness of the Klein-Gordon operator 
2 Nov seminar cancelled TBA 
9 Nov Jean Pierre Gazeau The question of mass in (Anti-) de Sitter space-times 
16 Nov Przemysław Małkiewicz Hamiltonian formalism and gauge-fixing conditions for cosmological perturbations 
23 Nov Andrzej Odrzywołek On the black hole - torus system 
30 Nov Marcus Oancea The gravitational spin Hall effect of light 
7 Dec Adam Chudecki Hyperheavenly spaces and congruences of the null strings - some new results 
14 Dec Przemysław Małkiewicz The issue of dynamics in quantum gravity 
21 Dec seminar cancelled  
11 Jan Arman Taghavi-Chabert Twisting shearfree congruences of null geodesics in higher dimensions 
18 Jan seminar cancelled  
25 Jan Maciej Kolanowski What's new(s) at infinity? 
1 Mar Jerzy Lewandowski & Adam Szereszewski Extremal isolated horizons: a new constraint 
8 Mar Marcin Kisielowski Spin-foam model for gravity coupled to massless scalar field 
15 Mar Jan Kwapisz Asymptotic safety in gravity and Conformal Standard Model 
22 Mar Tomasz Pawłowski Semiclassical states, high order quantum corrections and cosmology 
29 Mar Paweł Nurowski Parabolic geometry of a car 
5 Apr Remigiusz Durka Nuts approach to the Taub-NUT space-time 
12 Apr Michele Arzano Accelerated horizons and Planck scale kinematics 
19 Apr seminar cancelled spring break 
26 Apr Mikołaj Korzyński Probing the spacetime curvature using geometric optics 
3 May seminar cancelled holiday 
10 May seminar cancelled Juvenalia 
17 May István Rácz Construction of initial data with monotonous Geroch mass 
24 May Lennart Brocki BMS Group at Spatial Infinity 
31 May Piotr Chruściel Maskit gluings and energy of asymptotically hyperbolic manifolds 
7 Jun Jorge Ovalle Black holes and gravitational decoupling 


The seminars from the academic year 2017/18 are listed here.

Date
Speaker
Title (click on it to download the presentation)
6 Oct Jerzy Lewandowski Surprising properties of geometric Dirac observables in General Relativity 
13 Oct Jan Kwapisz Conformal Standard Model and Inflation 
20 Oct Dorota Gondek-Rosińska Gravitational wave astronomy 
27 Oct Denis Dobkowski-Ryłko Geometric Characterization of the Kerr-de Sitter Horizon 
3 Nov seminar cancelled  
10 Nov Yongge Ma Loop quantum Brans-Dicke gravity and its cosmological model 
17 Nov Tomasz Pawłowski Anisotropic universe in loop quantum cosmology 
24 Nov Patryk Mach General relativistic disks around black holes: effects of selfgravity 
1 Dec Marek Szczepańczyk Gravitational Waves form Core-Collapse Supernovae 
8 Dec Jacek Jezierski Quasi-local Hamiltonian - four decades of Kijowski's formula 
15 Dec Jerzy Kijowski Theory of radiation: null infinity and Trautman-Bondi energy 
22 Dec seminar cancelled  
29 Dec seminar cancelled Christmas break 
5 Jan seminar cancelled New Year break 
12 Jan seminar cancelled  
19 Jan Jerzy Lewandowski Null surfaces of the Petrov type D 
26 Jan Andrzej Rostworowski Towards a theory of nonlinear gravitational waves: a systematic approach to nonlinear gravitational perturbations in vacuum  
2 Feb seminar cancelled exam session 
9 Feb seminar cancelled exam session 
16 Feb seminar cancelled winter break 
23 Feb seminar cancelled exam session 
2 Mar seminar cancelled  
9 Mar Jerzy Lewandowski Surprising properties of the type D null surfaces 
16 Mar Piotr Chruściel A construction of time-periodic solutions of Einstein equations with a negative cosmological constant 
23 Mar Istvan Racz On the use of evolutionary methods in spaces of Euclidean signature 
30 Mar seminar cancelled spring break 
6 Apr Carmen Li Spacetime in the neighbourhood of Kerr isolated horizon 
13 Apr Jacek Tafel Constraint equations and TT tensors 
20 Apr Gabriele Stagno Quantum cosmology from superposition of graphs 
27 Apr Jerzy Lewandowski The Petrov type D equation on genus > 0 sections of isolated horizons 
4 May seminar cancelled  
11 May seminar cancelled Juwenalia 
18 May Istvan Racz Stationary black holes as holographs 
25 May seminar cancelled Workshop on "Singularities of general relativity and their quantum fate" in the Banach Center 
1 Jun Adam Chudecki Congruences of the null strings - some new results 
8 Jun Andrzej Krasinski Inhomogeneous cosmology by means of exact solutions of Einstein's equations 
15 Jun seminar cancelled  


The seminars from the academic year 2016/17 are listed here.

Date
Speaker
Title (click on it to download the presentation)
7 Oct Jędrzej Świeżewski Observer's observables. Residual diffeomorphisms 
14 Oct Andrzej Krasiński Blueshifts in the Lemaitre-Tolman and quasi-spherical Szekeres models 
21 Oct Adam Szereszewski Kundt's metrics 
28 Oct Suzanne Lanery Polarization-less quantization of free field theories 
4 Nov Krzysztof Belczyński Evolutionary predictions in the advanced LIGO/Virgo era 
11 Nov seminar cancelled National Independence Day 
18 Nov Istvan Racz A new method of constructing binary black hole initial data 
25 Nov Tomasz Pawłowski Feasibility of probing the quantum universe dynamics through midisuperspaces in loop quantization 
2 Dec Andrzej Rostworowski Perturbations around spherically symmetric spacetimes 
9 Dec seminar cancelled Conformal Universe II conference 
16 Dec Jakub Bilski Coupling matter to Quantum Reduced Loop Gravity 
23 Dec seminar cancelled Christmas break 
30 Dec seminar cancelled New Year break 
6 Jan seminar cancelled Epiphany 
13 Jan Maciej Nieszporski Integrable discretisation of Ernst equations 
20 Jan Mehdi Assanioussi Deparametrization of gravity and loop quantization 
27 Jan Łukasz Nakonieczny Starobinsky inflation - loop corrections or new physics? 
3 Feb seminar cancelled exam session 
10 Feb seminar cancelled exam session 
17 Feb seminar cancelled winter break 
24 Feb seminar cancelled winter break 
3 Mar Michał Artymowski Initial conditions for the inflationary Universe 
10 Mar Aneta Wojnar Inflationary cosmology in Palatini formalism 
17 Mar Piotr Chruściel Stationary solutions of Einstein-matter equations with a negative cosmological constant 
24 Mar Jerzy Kijowski Hamiltonian description of radiation phenomena 
31 Mar Yaser Tavakoli The final state of gravitational collapse in (effective) bouncing gravity models 
7 Apr Mikołaj Korzyński Geometric optics and drift effects in GR 
14 Apr seminar cancelled spring break 
21 Apr seminar cancelled  
28 Apr Marcin Kisielowski Relation between Regge calculus and BF theory on manifolds with defects 
5 May Petr Vasko Killing spinor equations: supersymmetry point of view 
12 May Sebastian Szybka Linear perturbations of the near horizon extremal Kerr geometry 
19 May Maciej Dunajski Einstein-Weyl spaces and near horizon geometry 
26 May Jerzy Kowalski-Glikman Quantum symmetries of flat quantum spacetime 
2 Jun Marco de Cesare Cosmological implications of the group field theory approach to quantum gravity 
9 Jun Jerzy Lewandowski Black hole holograph 
22 Sep Krzysztof Bolejko Emergence of spatial curvature 
29 Sep Abhay Ashtekar Gravitation Waves and a Positive $\Lambda$: Challenges and Opportunities 


The seminars from the academic year 2015/16 are listed here.

Date
Speaker
Title (click on it to download the presentation)
9 Oct Anna Nakonieczna Scalar field as time in the gravitational collapse 
16 Oct Paweł Nurowski Dancing metric, parakähler 4-manifolds, and geometries with conformal sl(3,R) holonomy 
23 Oct Paweł Nurowski Dancing metric, parakähler 4-manifolds, and geometries with conformal sl(3,R) holonomy -- part 2 
30 Oct Norbert Bodendorfer Locality of observable algebras and commutativity of gauge conditions 
6 Nov Piotr Chruściel To i owo o instantonach 
13 Nov Roberto Sussman Modelling large scale cosmic structures with exact solutions of General Relativity 
20 Nov Paweł Mazur Gravitational Condensate Stars: Gravastars 
27 Nov seminar cancelled the 2nd conference of the Polish Society on Relativity: 100 years of general relativity 
4 Dec Piotr Waluk A curious property of near-horizon geometry 
11 Dec Giovanni Giuseppe Moreno Exceptionality of Monge-Ampere equations 
18 Dec Andrzej Krasiński Blueshifts from a non-simultaneous Big Bang may explain the gamma ray bursts 
8 Jan  seminar cancelled 
15 Jan Jerzy Kijowski Energy of gravitational field: a quasi-local, hamiltonian approach 
22 Jan Wojciech Kryński Webs and Einstein-Weyl geometry 
26 Feb Andrzej Królak Detection of gravitational waves 
4 Mar Michał Artymowski Quasi de Sitter Universe from general f(R) theory 
11 Mar Krzysztof Meissner Konforemna Kosmologia Cykliczna Penrose'a 
18 Mar Tomasz Smołka Hamiltonian dynamics in asymptotically Kerr spacetimes. Quasi-local mass in Kerr spacetime 
25 Mar Easter seminar cancelled 
1 Apr seminar cancelled  
8 Apr Mikołaj Korzyński Nonlinear effects and coarse-graining in general relativity 
15 Apr Seishi Enomoto Influence of interaction terms on non-perturbative particle production 
22 Apr Piotr Waluk Degrees of freedom of weak gravitational field on a spherically symmetric background 
29 Apr Marek Kalinowski Non-symmetric Kaluza-Klein theory 
6 May Jan Gutt Some exotic cousins of Kerr's theorem 
13 May Sebastian Szybka Backreaction for Einstein-Rosen waves coupled to a massless scalar field 
20 May Norbert Bodendorfer How does loop quantum cosmology work? 
27 May seminar cancelled  
3 Jun Wojciech Kulczycki Fale grawitacyjne i zasada Huygensa w modelach kosmologicznych 
10 Jun Jacek Tafel 2-dimensional isothermic surfaces 
24 Jun Donald Salisbury Léon Rosenfeld and Noether Symmetry Generators 


The seminars from the academic year 2014/15 are listed here.

Date
Speaker
Title (click on it to download the presentation)
3 Oct Bianca Dittrich The continuum limit of loop quantum gravity: A framework for solving the theory 
10 Oct Andrzej Dragan Ideal clocks - a convenient fiction 
17 Oct Casey Tomlin A novel weak-coupling limit of Euclidean gravity I: Motivation and classical aspects 
24 Oct Anna Nakonieczna Dynamical gravitational collapse 
31 Oct seminar cancelled  
7 Nov Marek Abramowicz The perihelion of Mercury 
14 Nov Tomasz Smołka Simple description of Maxwell field on Kerr background 
21 Nov Jan Gutt The Wei-Norman equations via cominuscule induction 
28 Nov Paweł Nurowski Generalized Ricci solitons 
5 Dec Michał Artymowski Inflation and dark energy from f(R) and Brans-Dicke theories 
12 Dec Mariusz Dąbrowski Weak singularities and varying constants 
19 Dec Tomasz Bulik Teleskop Einsteina 
9 Jan Andrea Dapor Rainbows from Quantum Gravity 
16 Jan Piotr Chruściel Bifurcating solutions of the constraint equations 
23 Jan Marek Demiański Planck mission - (almost) final results 
30 Jan winter break  
6 Feb winter break  
13 Feb winter break  
20 Feb winter break  
27 Feb Piotr Sułkowski Chern-Simons theory and quantum enumerative geometry 
6 Mar Sebastian Szybka Inhomogeneities and the Green-Wald framework: exact solutions 
13 Mar Przemysław Witaszczyk Holographic marriage of geometry and field theory: using AdS/CFT to understand hydrodynamics 
20 Mar Andrzej Okołów Kinematic quantum states for the Teleparallel Equivalent of General Relativity 
27 Mar Jerzy Lewandowski Generally Relativistic Quantum Mechanics 
3 Apr Easter break  
10 Apr Steffen Aksteiner Properties of Killing spinors 
17 Apr Przemysław Małkiewicz Time issue in quantum gravity 
24 Apr Marek Abramowicz The black hole accretion disk theory 
1 May national holiday  
8 May Maciej Dunajski Nierelatywistyczne twistory i teoria Newtona-Cartana 
15 May Jędrzej Świeżewski General Relativity in Radial Gauge 
22 May Jerzy Kijowski Discretization of Einstein's equations: why and how? 
29 May Jacek Tafel An energy inequality on the event horizon in the Bondi-Sachs metrics 
5 Jun seminar cancelled  


The seminars from the academic year 2013/14 are listed here.

Date
Speaker
Title (click on it to download the presentation)
4 Oct Krzysztof Belczyński Black Holes - How Little Do We Know About Them... 
11 Oct Jerzy Lewandowski Deparametrization of General Relativity with distances and angles 
18 Oct Norbert Bodendorfer Boundary symplectic structure for isolated horizons in higher dimensional general relativity 
25 Oct Viqar Husain Inflation, dimensional reduction and Lorentz violation from polymer quantization 
1 Nov All Saints Day seminar cancelled 
8 Nov Jacek Tafel Axially symmetric solutions of initial constraints 
15 Nov Andrzej Rostworowski Periodyczne w czasie rozwiązania równań Einsteina z ujemną stałą kosmologiczną 
22 Nov Norbert Bodendorfer Constant mean curvature gauge fixing to solve Hamiltonian constraint in canonical GR 
29 Nov Jerzy Kijowski Funkcjonalno-analityczne aspekty hamiltonowskiej ewolucji pola 
6 Dec Paweł Nurowski Structures in cosmic microwave background radiation 
13 Dec Norbert Bodendorfer The imaginary part of the Einstein-Hilbert action 
20 Dec seminar cancelled  
27 Dec seminar cancelled Christmas break 
3 Jan seminar cancelled New Year break 
10 Jan Grzegorz Mazur Spectral signature of oscillating slender tori surrounding Kerr black holes 
17 Jan Włodzimierz Kluźniak Circular orbits in the Kehagias-Sfetsos metric of Horava-Lifshitz gravity 
24 Jan Paweł Nurowski Mathematical robots 
31 Jan seminar cancelled winter break 
7 Feb seminar cancelled winter break 
14 Feb seminar cancelled winter holidays 
21 Feb Jerzy Lewandowski Deparametrising GR with distances and angles 
28 Feb Jerzy Lewandowski Deparametrising gravity by distances and angles II: dynamics and the Poisson algebra 
7 Mar Jacek Tafel Axially symmetric solutions of initial constraints II 
14 Mar Piotr Chruściel Masa stożków świetlnych 
21 Mar Konrad Bajer Relaksacja pól magnetycznych jako przyczyna niejednorodnego rozkładu materii 
28 Mar Jacek Jezierski Geometria powierzchni zerowych a horyzonty ekstremalne 
4 Apr Ingemar Bengtsson Limits of spacetimes 
11 Apr Andrzej Krasiński Accelerating expansion or inhomogeneity? A comparison of the $\Lambda$CDM and Lemaitre - Tolman models 
18 Apr Seminar cancelled Easter 
25 Apr Bartłomiej Czech Aspects of emergent space 
2 May seminar cancelled national holiday 
9 May seminar cancelled Physicists Day 
16 May Andrzej Krasiński Accelerating expansion or inhomogeneity? Part II: Mimicking acceleration by a non-simultaneous Big Bang in the Lemaitre - Tolman models 
23 May Hal Haggard Holonomies, Curved Polyhedra & Gravity 
30 May Paweł Nurowski Aerobatics of flying saucers 
6 Jun Stefan Rauch-Wojciechowski What can mathematics prove about motion of the tippe top and other rolling and gliding rigid bodies?