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Prednášky na MÚ SAV

Prednášky sa konajú, ak nie je uvedené inak, v seminárnej miestnosti MÚ SAV, Štefánikova 49, Bratislava, 4. poschodie (miestnosť oproti vchodu).

2016
  • 8. 12. 2016 o 13.30: Dr. Tomasz Tylec
    University of Gdansk, Gdansk, Poland
    Prednáška: Effect algebras and orthoposets: rigorous framework for no-signaling box models
  • 22. 11. 2016 o 13.30: Mgr. Martin Plávala
    MÚ SAV, Bratislava
    Prednáška:
    All measurements in a probabilistic theory are compatible if and only if
    the state space is a simplex


    Abstrakt:

    It is long-known that classical systems are characterized by a state space that is a simplex and that for classical systems all measurements are compatible. We will introduce General probabilistic theories (GPT) as the general apparatus describing measurements in both classical and quantum mechanics and we will define the compatibility of measurements in GPT. Restricting ourselves to finite-dimensional state spaces we will formulate the proposition that incompatible measurements in any GPT exist whenever the system is not classical and we will demonstrate several key aspects of the proof of the proposition as well as give further insight on the interpretation of the result, based on some future work.
  • 23. 06. 2016 o 13.30: Dr. Raffaella Carbone
    Dept. of Matematics, Univ. Pavia, Taliansko
    Prednáška:
    Decoherent markovian evolutions on non-commutative algebras


    Abstrakt:

    We consider markovian evolutions on (generally non-commutative) von Neumann algebras. The decoherence-free algebra can be seen as a subalgebra of the domain on which the evolution is a *-homomorphism. The interest in studying the decoherence-free algebra stays in its strict relations with many asymptotic and probabilistic properties of the evolution: ergodicity, environmental decoherence, period,... We shall explore these aspects and some main results. We have studied in particular decoherence induced by the environment (as introduced by Blanchard and Olkiewicz, Rev. Math. Phys., 2003) for quantum Markov semigroups. We have proved sufficient and/or necessary conditions for decoherence and we have studied the link with different types of decompositions of the domain.
  • 31. 05. 2016 o 11.00: doc. RNDr. Roman Frič, Drsc. a doc. RNDr. Martin Papčo, PhD.
    Detašované pracovisko MÚSAV v Košiciach
    Prednáška:
    Duality: random variables and observables


    Abstrakt:

    In generalized probability we encounter three basic maps; probability measures, random variables and observables. While probability measures can be considered as a special case of observables, the relationship between random variables and observables can be described in terms of a categorical duality.
  • 15. 04. 2016 o 13.30: Prof. RNDr. Pavel Pták, DrSc.
    FEL ČVUT, Praha, ČR
    Prednáška:
    On the Horn-Tarski measure-extension theorem
  • 12. 04. 2016 o 13.30: Dr. Giselle Antunes Monteiro
    MÚ SAV, Bratislava (SASPRO program)
    Prednáška:
    On the distinguishing features of the Kurzweil integral
  • 30. 03. 2016 o 13.30: doc. RNDr. Roman Frič, Drsc. a Dr. Peter Eliaš, PhD.
    Detašované pracovisko MÚSAV v Košiciach
    Prednáška:
    Factorizing observables


    Abstrakt:

    Categorical approach to probability leads to better understanding of basic notions and constructions in generalized (fuzzy, operational, quantum) probability, where observables - dual notions to generalized random variables (statistical maps) - play a major role. Our goal is to show that two constructions involving observables: representation of generalized random variables via products, resp. smearing of sharp observables, can be described as factorizing a morphism into composition of two morphisms having desired properties.
  • 15. 03. 2016 o 13.30: Dr. Roberto Giuntini
    Univ. Cagliari, Italy
    Prednáška:
    From sharp to unsharp quantum logic:
    A new look at the effects of a Hilbert space
2015
  • 10. 12. 2015 o 13.30: Mgr. Martin Plávala
    MÚ SAV, Bratislava
    Prednáška:
    Stability of Friedmann equation with respect to
    small changes in the density parameter


    Abstrakt:

    Prednáška bude pojednávať o stabilite Friedmannovej rovnice, ktorá popisuje kozmologické rozpínanie / stláčanie vesmíru. Na prednáške bude aj skrátene povedané, ako sa Friedmannova rovnica dá odvodiť a čo skutočne popisuje.
  • 19. 11. 2015 o 13.30: doc. RNDr. Martin Kalina, CSc.
    Svf STU, Bratislava
    Prednáška:
    Paving as a construction method for creating of commutative
    and associative operations on the unit interval
  • 29. 10. 2015 o 13.30: doc. RNDr. Oľga Nánásiová, CSc.
    FEI STU, Bratislava
    Prednáška: Bell inequalities and s-maps
  • 08. 10. 2015 o 13.30: Mgr. Andrea Zemánková, PhD.
    MÚ SAV, Bratislava
    Prednáška: Uninorms with continuous underlying functions
  • 24. 09. 2015 o 13.30: Dr. Roberto Beneduci
    University Calabria, Rende, Italy
    Prednáška: Characterization of Commutative POVMs by means of Feller Markov kernels
  • 22. 09. 2015 o 13.30: doc. RNDr. Roman Frič, DrSc.
    MÚ SAV, Košice
    Prednáška: Poznámky o súčinoch D-posetov
  • 23. 04. 2015 o 13.30: doc. RNDr. Gejza Jenča, PhD.
    SvF STU Bratislava
    Prednáška: Quantum logics as monoids in Rel
  • 09. 04. 2015 o 13.30: prof. RNDr. Radomír Halaš, PhD.
    Palackého univerzita, Olomouc, ČR
    Prednáška: On clones of aggregation functions on lattices
  • 12. 03. 2015 o 13.30: Mgr. Jana Havlíčková
    FMFI UK, Bratislava
    Prednáška: Kategórie IF-udalostí a fuzzy udalostí a vzťahy medzi nimi
  • 17. 02. 2015 o 13.30: doc. RNDr. Roman Frič, DrSc.
    MÚ SAV, Košice
    Prednáška: Rozširovanie D-posetov fuzzy udalostí

    Abstract: Cieľom je v rámci teórie D-posetov popísať typické situácie  (klasická i fuzzy), v ktorých sa kanonickým spôsobom rozširuje základne pole náhodných udalosti pridávaním nových.

  • 11. 02. 2015 o 14.00: doc. Mgr. Jan Kühr, PhD.
    Palackého univerzita, Olomouc, ČR
    Prednáška: The varietal join of orthomodular lattices and MV-algebras
  • 11. 02. 2015 o 13.30: doc. Mgr. Michal Botur, PhD.
    Palackého univerzita, Olomouc, ČR
    Prednáška: A new construction of kites
2014
  • 02. 10. 2014 o 13.30: doc. RNDr. Roman Frič, DrSc.
    MÚ SAV, Košice
    Prednáška: Poznámky o D-posetoch (čo nového?)
  • 18. 09. 2014 o 13.30: Dr. Emmanuel Chetcuti
    University of Malta, Malta
    Prednáška: Equilateral weights on the unit ball of Rn
  • 18. 09. 2014 o 13.30: prof. David Buhagiar
    University of Malta, Malta
    Prednáška: On κ-compactness, extent and the Lindelof number in LOTS
  • 28. 08. 2014 o 13.30: prof. Michiro Kondo
    Tokyo Denki University, Japan
    Prednáška: Galois connections on fuzzy structures
  • 04. 06. 2014 o 13.30: Dr. Erkka Haapasalo
    Institute of Theoretical Physics, University of Turku, Turku, Finland
    Prednáška: Compatibility properties of extreme quantum observables

    Abstract: Recently a problem concerning the equivalence of joint measurability and coexistence of quantum observables was solved [D. Reeb, D. Reitzner, and M. M. Wolf, J. Phys. A: Math. Theor. vol 46, 462002 (2013)]. We generalize two known joint measurability results from sharp observables to the class of extreme observables and study relationships between coexistence, joint measurability, and post-processing of quantum observables when an extreme observable is involved. We also discuss another notion of compatibility and provide a counterexample separating this from the former notions.

  • 15. 05. 2014 o 13.30: doc. Mgr. Michal Botur
    Palackého univerzita, Olomouc, ČR
    Prednáška: Operators induced by fuzzy relations
  • 10. 04. 2014 o 13.30: Dr. Giacomo Lenzi
    Univ. Salerno, Salerno, Taliansko
    Prednáška: On pseudofinite MV-algebras
  • 03. 04. 2014 o 13.30: Mgr. Zdeněk Svoboda
    Palackého univerzita, Olomouc, ČR
    Prednáška: Interior and closure operators on basic algebras
  • 24. 02. 2014 o 13.30: Prof. Helmut Länger
    Institute for Algebra and Discrete Mathematics, TU Vienna, Austria
    Prednáška: A non-associative generalization of effect algebras
2013
  • 21. 11. 2013 o 13.30: Mgr. Jiří Janda
    Masarykova univezita, Brno, ČR
    Prednáška: On bilinear forms from the point of view of generalized effect algebras
  • 14. 11. 2013 o 13.30: Prof. Claudio Garola
    University of Lecce, Lecce, Italy
    Prednáška: Embedding quantum mechanics into a broader noncontextual theory: recent developments in the ESR model
  • 7. 11. 2013 o 13.30: Mgr. Tomasz Tylec
    Institute of Theoretical Physics and Astrophysics, University of Gdańsk, Gdańsk, Poland
    Prednáška: So-called non-signalling boxes from the point of view of quantum logics
  • 24. 10. 2013 o 13.30: Doc. RNDr. Oľga Nánásiová, CSc.
    Ústav informatiky a matematiky, FEI STU, Bratislava
    Prednáška: Nekompatibilita a viacrozmerné stavy
  • 10. 10. 2013 o 13.30: doc. RNDr. Roman Frič, DrSc.
    MÚ SAV - Detašované pracovisko Košice, Košice
    Prednáška: O kogenerátoroch v zovšeobecnenej pravdepodobnosti
  • 27. 6. 2013 o 13.30: Prof. RNDr. Jan Hamhalter, CSc.
    Fakulta elektrotechnická ČVÚT, Praha, Česká republika
    Prednáška: Commutative structures in noncommutative operator algebra
  • 20. 6. 2013 o 13.30: Dr. Sergejs Solovjovs
    Masarykova univerzita, Brno, Česká republika
    Prednáška: Monoidal topology and its applications
  • 13. 6. 2013 o 13.30: Mgr. Michal Sedlák, PhD.
    Fyzikálny ústav SAV, Bratislava
    Prednáška: Optimal discrimination of quantum measurements
  • 6. 6. 2013 o 13.30: doc. RNDr. Gejza Jenča, PhD.
    Stavebná fakulta STU, Bratislava
    Prednáška: Poset homology and linear extensions
  • 30. 5. 2013 o 12.30: Mgr. Mário Ziman, PhD.
    Fyzikálny ústav SAV, Bratislava
    Prednáška: Structure of entanglement-breaking and entanglement-annihilating channels
  • 09. 5. 2013 o 13.30: doc. RNDr. Jan Paseka, CSc.
    Masarykova Univerzita, Brno, Česká republika
    Prednáška: Semistates on MV-algebras
  • 02. 5. 2013 o 13.30: Mgr. Anna Jenčová, PhD.
    Matematický ústav SAV, Bratislava
    Prednáška: Distinguishing quantum channels by restricted testers
  • 4. 4. 2013 o 13.30: Mgr. Marek Hyčko, PhD.
    Matematický ústav SAV, Bratislava
    Prednáška: Generalized pre pseudo effect algebras
  • 21. 3. 2013 o 13.30: Prof. Michiro Kondo
    Tokyo Denki University, Japan
    Prednáška: Bosbach states on residuated lattices
  • [Zmena dátumu] 13. 2. 2013 o 13.30: Mgr. Miroslav Kolařík, PhD.
    Univ. Olomouc, ČR
    Prednáška: Every skew effect algebra can be extended into a total algebra
2012
  • 11. 10. 2012 o 13.30: Mgr. M. Botur, PhD.
    Univ. Olomouc, ČR
    Prednáška: Tense Operators on MV -algebras
  • 4. 10. 2012 o 13.30: Mgr. J. Janda
    Masarykova univerzita, Brno, ČR
    Prednáška: Partial groups of linear operators densely defined on a Hilbert space.
  • 27. 9. 2012 o 13.30: doc. RNDr. M. Kalina, CSc.
    KMDG Svf STU, Bratislava
    Prednáška: Conditioning on lattice effect algebras.
  • 13. 9. 2012 o 13.30: doc. RNDr. R. Frič, DrSc.
    Detašované pracovisko Matematického ústavu SAV, Košice
    Prednáška: O zovšeobecneniach fuzzy pravdepodobnosti.
  • 30. 8. 2012 o 13.30: Mgr. A. Zemánková, PhD.
    Matematický ústav, SAV, Bratislava
    Prednáška: Extensions of the Choquet integral used in Classification and Multipolarity Algebras.
  • 28. 6. 2012 o 13.30: Prof. RNDr. J. Rachůnek, DrSc.
    Fac. Natural Sciences, Palacky University, Olomouc, ČR
    Prednáška: State Basic algebras.
  • 19. 4. 2012 o 14.30: Prof. J. Pykacz
    University of Gdansk, Gdansk, Poland
    Prednáška: Fuzzy models of quantum probability.
  • 19. 4. 2012 o 13.30: prof. RNDr. R. Halaš, CSc.
    Fac. Natural Sciences, Palacky University, Olomouc
    Prednáška: Tolerance factorable varieties.
  • 12. 4. 2012 o 13.30: doc. RNDr. J. Kühr, PhD.
    Fac. Natural Sciences, Palacky University, Olomouc
    Prednáška: On varieties of distributive effect algebras.
  • 29. 3. 2012 o 13.30: Mgr. A. Jenčová, PhD.
    MÚ SAV, Bratislava
    Prednáška: Generalized POV measures and measurements on quantum channels III.
  • 22. 3. 2012 o 13.30: Mgr. A. Jenčová, PhD.
    MÚ SAV, Bratislava
    Prednáška: Generalized POV measures and measurements on quantum channels II.
  • 15. 3. 2012 o 13.30: Mgr. A. Jenčová, PhD.
    MÚ SAV, Bratislava
    Prednáška: Generalized POV measures and measurements on quantum channels I.
  • 8. 3. 2012 o 13.30: Mgr. M. Hyčko, PhD.
    MÚ SAV, Bratislava
    Prednáška: Pre pseudo effect algebras - theory and the search for finite models
  • 23. 2. 2012 o 13.30: Mgr. J. Krňávek
    Univ. Olomouc, ČR
    Prednáška: Skew residuated lattices
  • 16. 2. 2012 o 13.30: doc. RNDr. R. Frič, DrSc.
    MÚ SAV, Košice
    Prednáška: Pravdepodobnosť - od klasickej ku fuzzy
  • 9. 2. 2012 o 13.30: Mgr. M. Botur, PhD.
    Univ. Olomouc, ČR
    Prednáška: A general approach to state-morphism algebras
  • 12. 12. 2011 o 13.30: Prof. R. Giuntini
    Univ. Cagliari, Italy
    Prednáška: The algebraic structure of an approximately universal system of quantum computational gates
  • 8. 12. 2011 o 13.30: Prof. Marisa Dalla Chiara
    Univ. Florence, Italy
    Prednáška: Quantum teleportation and quantum epistemic semantics
  • 24. 11. 2011 o 13.30: Prof. Richard Ball
    University of Denver, Denver, USA
    Prednáška: Truncated and diminished vector lattice
  • 20. 10. 2011 o 13.30: Prof. RNDr. Zdenka Riečanová, CSc.
    FEI STU, Bratislava, Slovakia
    Prednáška: Operator (Generalized) Effect Algebras
  • 29. 9. 2011 o 13.00: Prof. Antonio Di Nola
    Salerno University, Salerno, Italy
    Prednáška: New Results on MV-algebras
  • 14. 9. 2011 o 14.15: Prof. Richard Ball
    University of Denver, Denver, USA
    Prednáška: The Pointfree Daniell Integral
  • 14. 9. 2011 o 13.00: Prof. Rodney Nillsen
    School of Math. and Appl. Statistics, University of Wollongong, New South Wales, Austrália
    Prednáška: Dynamical systems and the Carathéodory definition of measurable sets
  • 30. 6. 2011 o 14.00: Prof. Gennadij A. Ososkov
    Joint Institute of Nuclear Research, Dubna, Russia
    Prednáška: Wavelet applications for finding hidden features of experimental data
  • 23. 6. 2011 o 14.00: Dr. Tomasz Kowalski
    University of Melbourne, Australia
    Prednáška: Quasi-subtractive varieties
  • 13. 5. 2011 o 13.30: Dr. Agata Ciabattoni
    TU Vienna, Austria
    Prednáška: Systematic and Algebraic Proof Theory for Substructural Logics
  • 5. 5. 2011 o 13.30: Mgr. Anna Jenčová, PhD.
    Matematický ústav SAV, Bratislava
    Prednáška: On reversibility of quantum operations
  • 28. 4. 2011 o 13.30: Mgr. Michal Botur, PhD.
    Palackého univerzita, Olomouc, Česká republika
    Prednáška: Finite distributive lattices with antitone involutions
  • 21. 4. 2011 o 14.30: doc. RNDr. Ferdinand Chovanec, CSc.
    Akadémia ozbrojených síl gen. M.R. Štefánika, Liptovský Mikuláš
    Prednáška: Graphic representation of MV-algebra pastings
  • 21. 4. 2011 o 13.30: Dr. Yongjian Xie
    Shaanxi Normal University, Xian, Shaanxi, Čína
    Prednáška: The pasting of lattice ordered effect algebras
  • 18. 4. 2011 o 13.00: Prof. Zbigniew Piotrowski
    Department of Mathematics and Statistics, University of Youngstown, USA
    Prednáška: On quasi-continuity and cliquishness
  • 14. 4. 2011 o 13.30: Mgr. Miroslav Kolařík, PhD.
    Palackého univerzita, Olomouc, Česká republika
    Prednáška: Computer proofs
  • 7. 4. 2011 o 13.30: Mgr. Elena Vinceková, PhD.
    Matematický ústav SAV, Bratislava
    Prednáška: Lattice pseudo-effect algebras as double residuated structures