If you actually look up some of the authors in the first issue http://math.rejecta.org/vol1-num1 http://math.rejecta.org/vol1-num1 , you'll see that some of the

If you actually look up some of the authors in the first issue http://math.rejecta.org/vol1-num1 http://math.rejecta.org/vol1-num1 , you'll see that some of them are pretty legit scientists (eg Stephen Boyd who has a very nice book on convex optimization on his website)