David Borthwick: 4 books

This modern take on partial differential equations does not require knowledge beyond vector calculus and linear algebra. The author focuses on the most important classical partial differential equations, including conservation equations and their characteristics, the wave equation, the heat equation,...

This text introduces geometric spectral theory in the context of infinite-area Riemann surfaces, providing a comprehensive account of the most recent developments in the field. For the second edition the context has been extended to general surfaces with hyperbolic ends, which provides a natural setting...

Things have changed. The Truth has not. The 1950's are gone forever. The days of the Sunday school attendance award and the much-loved Sunday school picnic have faded into oblivion. Yet some youth ministries still operate as if today's kids are living in a vacuum, unaffected by the changing morals...

There are numerous publications about education and technology. What is missing is a balanced appraisal of the values and cognitive skills technology promotes and those it devalues. This is important for education because the way we teach influences how children think, and it is of more general importance...