@Article{NavaraPtak:IJTP04_Z2valued, IS = { zkontrolovano 13 Jan 2005 }, UPDATE = { 2004-11-27 }, author = {Navara, Mirko and Pt{\'a}k, Pavel}, title = {For {$n>=5$} there is no nontrivial {$Z_2$}-measure on {$L(R^n)$}}, year = {2004}, month = {July}, pages = {1595--1598}, journal = {International Journal of Theoretical Physics}, publisher = {Kluwer Academic Publishers}, address = {Dordrecht, The Netherlands}, issn = {0020-7748}, volume = {43}, number = {7}, importance = {1}, authorship = {50-50}, annote = {We prove the statement in the title. As a consequence, we note that there is no nontrivial Z_2-measure on L(H), dim H = inf.}, keywords = {quantum logic, projection lattice, group-valued measure}, project = {MSM 212300013, GACR 201/00/0331}, psurl = {[PDF, 47 KB] }, }