Extraordinary Supernova iPTF14hls: An Attempt at Interpretation

[Psychology and politics. Attempt at a psychopathologic interpretation of terrorism].

An Attempt at Frankl’s Conjecture

In 1979 Frankl conjectured that in a finite union-closed family F of finite sets, F = {∅} there has to be an element that belongs to at least half of the sets in F . We prove this when | F| 10.

SPECTRAL EVOLUTION OF THE EXTRAORDINARY TYPE IIn SUPERNOVA 2006gy

We present a detailed analysis of the extremely luminous and long-lasting Type IIn supernova (SN) 2006gy using spectra obtained between days 36 and 237 after explosion. We derive the temporal evolution of the effective temperature, radius, blast-wave and SN-ejecta expansion speeds, and bolometric luminosity, as well as the progenitor wind density and total swept-up mass overtaken by the shock. ...

Terrorism . An Attempt at Psychoanalytic Understanding

Preventive Medicine: an Attempt at a Definition.

Preventive Medicine: An Attempt at a Definition: GEDDES SMITH and DR. LESTER J. EVANS. Obituary: William. Spencer Carter: DR. CHAUNCEY D. LEAKE and OTHERS. Losses in Personnel of Soviet Botany during the War: VLADIMIR C. Asmous. Recent Deaths ................................................................................................................ Scientific Events: Recent Contributions o...