@InProceedings{BikchentaevNavaraYakushev:QS14,
  IS = { zkontrolovano 02 Jan 2015 },
  UPDATE  = { 2014-12-19 },
  author =      { Bikchentaev, Airat and Navara, Mirko and Yakushev, Rinat },
  affiliation = {NULL-13133-NULL},
  authorship =  {34-33-33},
  title =       {New results about symmetric difference in quantum structures},
  year =        {2014},
  pages =       {71--72},
  booktitle =   {Biennial {IQSA} Conference Quantum Structures},
  editor =      {},
  publisher =   {Univerzita Palack{\' e}ho v Olomouci},
  address =     {Olomouc, Czech Republic},
  isbn =        {none},
  book_pages =  {118},
  month =       {June},
  day =         {23--27},
  venue =       {Olomouc, Czech Republic},
  organization ={},
  annote =      {We summarize recent results on set-representable orthomodular posets
which are closed under set-theoretical symmetric difference. We clarify properties of
states on them.},
  keywords =    {orthomodular lattice, orthomodular poset, quantum logic, symmetric
difference, set representation, state, subadditivity},
  project =    { SGS12/187/OHK3/3T/13 },
www         = { http://ameql.math.muni.cz/iqsa2014/ },
}