Instytut Matematyczny Polskiej Akademii Nauk / Institute of Mathematics / Publishing house / Journals and Serials / Colloquium Mathematicum / All issues

Contents of Number 2

  Volume 128 / 2012

• Weighted composition operators on weighted Lorentz spaces İlker Eryilmaz Colloquium Mathematicum 128 (2012) , 143-151 MSC: Primary 47B33, 46E30; Secondary 47B38. DOI: 10.4064/cm128-2-1
  More info Free download under CC-BY license
• Disjointness properties for Cartesian products of weakly mixing systems Joanna Kułaga-Przymus, François Parreau Colloquium Mathematicum 128 (2012) , 153-177 MSC: Primary 37A05; Secondary 37A30, 37A50. DOI: 10.4064/cm128-2-2
  More info Free download under CC-BY license
• Congruent numbers over real number fields Tomasz Jędrzejak Colloquium Mathematicum 128 (2012) , 179-186 MSC: Primary 11G05; Secondary 14H52. DOI: 10.4064/cm128-2-3
  More info Free download under CC-BY license
• Some remarks on universality properties of $\ell_\infty / c_0$ Mikołaj Krupski, Witold Marciszewski Colloquium Mathematicum 128 (2012) , 187-195 MSC: Primary 46B26, 46E15; Secondary 03E75. DOI: 10.4064/cm128-2-4
  More info Free download under CC-BY license
• Riemann compatible tensors Carlo Alberto Mantica, Luca Guido Molinari Colloquium Mathematicum 128 (2012) , 197-210 MSC: Primary 53B20, Secondary 53B21. DOI: 10.4064/cm128-2-5
  More info Free download under CC-BY license
• Jeśmanowicz' conjecture with congruence relations Yasutsugu Fujita, Takafumi Miyazaki Colloquium Mathematicum 128 (2012) , 211-222 MSC: Primary 11D61; Secondary 11D09. DOI: 10.4064/cm128-2-6
  More info Free download under CC-BY license
• Note on blow-up of solutions for a porous medium equation with convection and boundary flux Zhiyong Wang, Jingxue Yin Colloquium Mathematicum 128 (2012) , 223-228 MSC: Primary 35K55; Secondary 35B33. DOI: 10.4064/cm128-2-7
  More info Free download under CC-BY license
• Skew derivations and the nil and prime radicals Jeffrey Bergen, Piotr Grzeszczuk Colloquium Mathematicum 128 (2012) , 229-236 MSC: 16N40, 16W25, 16W55. DOI: 10.4064/cm128-2-8
  More info Free download under CC-BY license
• Density of some sequences modulo $1$ Artūras Dubickas Colloquium Mathematicum 128 (2012) , 237-244 MSC: Primary 11K06; Secondary 11K31, 11R06. DOI: 10.4064/cm128-2-9
  More info Free download under CC-BY license
• A sharp bound for the Schwarzian derivative of concave functions Bappaditya Bhowmik, Karl-Joachim Wirths Colloquium Mathematicum 128 (2012) , 245-251 MSC: Primary 30C45; Secondary 30C55, 30C62. DOI: 10.4064/cm128-2-10
  More info Free download under CC-BY license
• Generic extensions of nilpotent $k[T]$-modules, monoids of partitions and constant terms of Hall polynomials Justyna Kosakowska Colloquium Mathematicum 128 (2012) , 253-261 MSC: Primary 16D10; Secondary 16G10, 16G20, 05A17. DOI: 10.4064/cm128-2-11
  More info Free download under CC-BY license
• Limit theorems for stochastic recursions with Markov dependent coefficients Dariusz Buraczewski, Małgorzata Letachowicz Colloquium Mathematicum 128 (2012) , 263-276 MSC: 60F05, 60J05. DOI: 10.4064/cm128-2-12
  More info Free download under CC-BY license
• On the diophantine equation $x^y-y^x=c^z$ Zhongfeng Zhang, Jiagui Luo, Pingzhi Yuan Colloquium Mathematicum 128 (2012) , 277-285 MSC: Primary 11D61; Secondary 11D41. DOI: 10.4064/cm128-2-13
  More info Free download under CC-BY license