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A (k, g)-graph is a k-regular graph of girth g, and a (k, g)-cage is a (k, g)-graph of mini-
mum order. We show that a (3,11)-graph of order 112 found by Balaban in 1973 is minimal and unique. We als...
In this paper the problems to determine an inconsistent system of linear
inequalities and to correct its right-hand side vector are solved by using the
isometric plane method for linear programming....