Fan-KKM theorem Lipschitz continuity algebraic interior asymptotically nonexpansive mapping benson proper efficiency bic Book Industry Communication::G Reference, information & interdisciplinary subjects::GP Research & information: general bic Book Industry Communication::P Mathematics & science common fixed point conjugate gradient method contraction fixed point fractional calculus fractional differential equations higher-order mond-weir type dual higher-order weak adjacent epiderivatives hybrid contractions hybrid projection hyperspace inclusion problem inertial Mann inertial-like subgradient-like extragradient method with line-search process informal norms informal open sets limiting (p,r)-α-(η,θ)-invexity method with line-search process modified implicit iterative methods with perturbed mapping nonexpansive mapping nonlinear scalarizing functional null set open balls