ab­stract – Con­trol the type­set­ting of the ab­stract en­vi­ron­ment

The ab­stract pack­age gives you con­trol over the type­set­ting of the ab­stract en­vi­ron­ment, and in par­tic­u­lar pro­vides for a one col­umn ab­stract in a two col­umn pa­per.