• Journal of the Chungcheong Mathematical Society
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• v.21 no.3
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• pp.321-326
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• 2008

In this note, using the separation theorem for convex sets, we will give a two functions version generalization of Fan's minimax theorem by relaxing the convexlike assumption to the weak convexlike condition.

• Journal of the Chungcheong Mathematical Society
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• v.22 no.1
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• pp.11-16
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• 2009

In this paper, using the diagonally $\mathcal{C}$-concave condition, we will prove a functional inequality in a topological space, and as an application, we can obtain a new variational inequality.