Limits to oncology

Limits to science or limits to epistemology?

SFI WORKING PAPER: 1996-08-061 SFI Working Papers contain accounts of scientific work of the author(s) and do not necessarily represent the views of the Santa Fe Institute. We accept papers intended for publication in peer-reviewed journals or proceedings volumes, but not papers that have already appeared in print. Except for papers by our external faculty, papers must be based on work done at ...

Morphogen Gradients: Limits to Signaling or Limits to Measurement?

In Drosophila embryos, a concentration gradient of nuclear Dorsal protein controls pattern formation along the dorsal-ventral axis. Recent quantitative studies agree on the temporal dynamics of the gradient, but disagree on its spatial limits.

Generalized Covering Groups and Direct Limits

Limits in modified categories of interest

‎We firstly prove the completeness of the category of crossed modules in a modified category of interest‎. ‎Afterwards‎, ‎we define pullback crossed modules and pullback cat objects that are both obtained by pullback diagrams with extra structures on certain arrows‎. ‎These constructions unify many corresponding results for the cases of groups‎, ‎commutative algebras and can also be adapted to ...

What Radiation Oncology Wants Medical Oncology to Know

Optimal radiation treatment planning and symptom management for radiotherapy toxicities are keys to patient adherence and good outcomes, according to radiation oncology specialists who described the field at JADPRO Live. J. Nicholas Lukens, MD, of the University of Pennsylvania School of Medicine, Philadelphia, Pennsylvania, described the basics of radiation oncology, indicating that its target...