Some Questions about Churning by Derivatives

Some unanswered questions about vaccination.

I pondered for several months over what I should write for this 100th Volume of FEMS Microbiology Letters before deciding that it might be useful to pose some questions about vaccination for which there seem to be no adequate answers. Although I have put these questions verbally to colleagues over several years, I thought that by putting the same questions in writing, it would not only help to ...

some questions about herbal and traditional medicine

Some combinatorial questions about polynomial mappings

The purpose of this note is to show how recent progress in non-commutative combinatorial algebra gives a new input to Jacobian-related problems in a commutative situation. @ 1997 Elscvier Science B.V. 1991 Math. Subj. Class.: 13B2.5, 13810, 14A05

Some Questions About Herbal and Traditional Medicine

In recent years we have witnessed the widespread use of herbal and traditional medicines. In many cases, people use traditional treatments arbitrarily and without consultation with a qualified person (1). As a teacher, I have frequently seen a number of my colleagues and others use herbal medicines and traditional methods for their medical problems. Looking at the papers published in this journ...

Convergent? Minds? Some questions about mental evolution.

In investigating convergent minds, we need to be sure that the things we are looking at are both minds and convergent. In determining whether a shared character state represents a convergence between two organisms, we must know the wider distribution and primitive state of that character so that we can map that character and its state transitions onto a phylogenetic tree. When we do this, some ...