The current subscription is Volume XXVIII, with the first issue published and available as of July 2018, with subsequent issues to be published in October, January 2019, and April 2019.
Though we do not usually sell individual issues, we are making an exception for Volume XXVIII; Issue 1 ONLY – it has ground breaking work on the Chromatic Number of the Plane by Dr. Aubrey D.N.J. de Grey, and contains the first publication of his 5-chromatic unit-distance graph, and also includes work by Marijn J.H. Heule, who sets 6 consecutive world records in reducing the size of such graphs; and Geoffrey Exoo and Dan Ismailescu work towards the next big step.
For volume XXVIII we will have special pricing for the purchase of the volume, and for this volume only.
Volume XXVIII can be purchased for 30% over the usual subscription rates or purchase issue 1 only, for $29. The 30% only applies to the subscription rate, not the shipping costs.
For all your subscription needs please contact Ms. Valerie Quarles at University of Colorado, Academic Office Bldg 117, 1420 Austin Bluffs Pkwy, Colorado Springs, CO 80918, USA or by e-mail email@example.com
The annual subscription rates are paid in US currency and shipping is included. If you are subscribing for past volumes you will receive all four issues for the volume. Please specify by volume number (i.e., “Volume XXV”) not volume year, as our quarterly publishing schedule crosses years.
You may pay by credit card via the PayPal buttons below – please choose the appropriate subscription rate from the drop down box:
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