"simplex" - key terms from Wikipedia

crux simplex
epidermolysis bullosa simplex
generalized epidermolysis bullosa simplex
herpes simplex
herpes simplex	infection
herpes simplex	virus
over the simplex
point on the unit simplex
regular simplex
revised simplex	method
simplex
simplex	algorithm
simplex	method
solidago simplex
standard simplex	method