Jens Wirth

  • This volume explores the selfie not only as a specific photographic practice that is deeply rooted in digital culture, but also how it is understood in relation to other media of self-portrayal. Unlike the public debate about the dangers of 'selfie-narcissism', this anthology discusses what the practice of taking and sharing selfies can tell us about media culture today: can the selfie be critiqued as an image or rather as a social practice? What are the technological conditions of this form of vernacular photography? By gathering articles from the fields of media studies; art history; cultural studies; visual studies; philosophy; sociology and ethnography, this book provides a media archaeological perspective that highlights the relevance of the selfie as a stereotypical as well as creative practice of dealing with ourselves in relation to technology.

  • This book originates from the session "Harmonic Analysis and Partial Differential Equations" held at the 12th ISAAC Congress in Aveiro, and provides a quick overview over recent advances in partial differential equations with a particular focus on the interplay between tools from harmonic analysis, functional inequalities and variational characterisations of solutions to particular non-linear PDEs. It can serve as a useful source of information to mathematicians, scientists and engineers. 
    The volume contains contributions of authors from a variety of countries on a wide range of active research areas covering different aspects of partial differential equations interacting with harmonic analysis and provides a state-of-the-art overview over ongoing research in the field. It shows original research in full detail allowing researchers as well as students to grasp new aspects and broaden their understanding of the area.

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