A norm form is a multivariate homogeneous polynomial with integral coefficients, such as x^2 + y^2 or x^2 + xy − y^2, arising from the norm function of a number field. In this thesis, we present a formula for the density ...

Partial first order logic (PFOL) is a logic where function symbols may also represent partial functions. For categories with canonical finite limits we have notions of subobjects and partial morphisms which generalize those ...

Manifold calculus provides a way to approximate functors from the open sets of a manifold to spaces by a tower of polynomial functors. In this thesis, we explain how this works in detail for the functor of embeddings, a ...

This study examined whether compulsive social media use among Dutch adolescents was associated with the need for autonomy satisfaction and if self-concept clarity mediated this relationship. Based on Self-Determination ...

There has been a recent sharp decline in young people’s mental health, and an increase in emotional problems among the youth. Good social relationships are crucial to cope with the challenges in life. And emotional ...

Extreme weather events can cause significant damage to properties and infrastructure. One of the most impactful events is heavy rainfall, which can result in either fluvial or pluvial flooding, causing damages both inside ...

Early language development is critical for a child’s language and overall development. Strong language skills provide the foundation for communication, social interaction, learning and future academic success. Language ...

This thesis investigates sterile neutrinos in neutrinoless double beta decay within the minimal extension of the Standard Model. After introducing neutrino mass generation and decay mechanisms, we implement active and ...

Cosmological inflation has emerged as a cornerstone of modern cosmology because it elegantly accounts for the Universe’s large scale homogeneity, flatness and the nearly scale invariant spectrum of primordial fluctuations, ...