This book should be useful for readers who are interested in the question Why and how something happened. Furthermore, it may serve as a reference and guide for beginners who want to learn Banach space theory with some historical flavor. Helpful inf
We present some fixed point results in Banach algebras based on the so called degree of nondensifiabilityφd. It is shown that φdis an alternative method to measures of noncompactnessto obtain fixed point results. As an application of the usefulness