3 papers
q-bio.PE2020
Perturbations of lifespan inequality in natural populations
M. J. Wensink
Correlations between high life expectancy and low lifespan inequality are frequently observed. A recent article seeks to explain this phenomenon by proposing that a mortality impro…
math.NT2019
Why there are no mappings to infinity under the Collatz map (and similar)
M. J. Wensink
Following up on earlier work, I suggest why there are no mappings to infinity under the Collatz conjecture, nor under other mappings of the generalization , where is odd.
math.NT2019
The 3n+1 problem: a partition of interest
Maarten J. Wensink
A mapping conjugate to the Collatz mapping seems to imply that is partitioned in a trivial loop and `strings' that are ordered subsets of $\{\N \setmi…