Research in most scientific disciplines calls for painstaking accuracy and a hesitation to generalize for fear of distorting the truth. Given this penchant for nuance, scientists often feel uneasy a
In Exterior Differential Systems, the authors present the results of their ongoing development of a theory of the geometry of differential equations, focusing especially on Lagrangians and Poincare-Ca
In Exterior Differential Systems, the authors present the results of their ongoing development of a theory of the geometry of differential equations, focusing especially on Lagrangians and Poincare-Ca
What makes it possible for a church to reverse course from decline or stagnation into longlasting vitality? How can a church immigrate from a congealing present into a compelling future? What can a co
