Volumes
The exposition's quality and the novelty of perspective/problem is the main contribution of an article. Each paper should include section, whose heading is "Open Problems". There can be "Background" section before, and an optional "Preliminary Results" section after.
The journal will be published 4 times per year. Four issues will make one volume. To subscribe to this journal and receive the on-line version, please send a request directly to the Journal Secretary.
Volumes
The exposition's quality and the novelty of perspective/problem is the main contribution of an article. Each paper should include section, whose heading is "Open Problems". There can be "Background" section before, and an optional "Preliminary Results" section after.
Vol. 1, 2008
No. 1. June 2008, No. 2. September, 2008, No. 3. December, 2008
Vol. 2, 2009
No. 1. March, 2009, No. 2. June, 2009
No. 3. September, 2009, No. 4. December, 2009
Vol. 3, 2010
No. 1. March, 2010, No. 2. June, 2010
No. 3. September, 2010, o. 4. December, 2010
Vol. 4, 2011
No. 1. March, 2011, No. 2. June, 2011,
No. 3. September, 2011, No. 4. December, 2011
Vol. 5, 2012
No. 1. March, 2012, No. 2. June, 2012
No. 3. September, 2012, No. 4. December, 2012
Vol. 6, 2013
No. 1. March, 2013, No. 2. June, 2013
No. 3. September, 2013, No. 4. December, 2013
Vol. 7, 2014
No. 1. March, 2014, No. 2. June, 2014
No. 3. September, 2014, No. 4. December, 2014
Vol. 8, 2015
No. 1. March, 2015, No. 2. June, 2015
No. 3. September, 2015, No. 4. December, 2015,
Vol. 9, 2016
No. 1. March, 2016, No. 2. June, 2016
No. 3. September, 2016, No. 4. December, 2016
Vol. 10, 2017
No. 1. March, 2017, No. 2. June, 2017
No. 3. September, 2017, No. 4. December, 2017
Vol. 11, 2018
No. 1. March, 2018, No. 2. June, 2018
No. 3. September, 2018, No. 4. December, 2018