A good friend of mine declined a wedding invitation recently although he would very much liked to have accepted. He had no other prior engage-ment?if he had, he would have broken it willingly ?he just did not have a dark grey suit and had no money to buy or hire one?being a student, he has a very limited income. Although his friends, and the couple getting married, said it didn't matter what he...

Tobacco smoking, a major risk factor for coronary heart disease, stroke, peripheral vascular disease, cancer and other diseases, 1 is estimated to cost the australian community $31.5 billion per annum, 2 and was responsible for more than 15 500 australian deaths in 2003. 3 Overall, Australian smoking rates have declined since the 1950s, with daily smoking among patients aged 18 years and over d...

Based on the Gerstenhaber Theory it is clarified how operadic dynamics may be introduced. Operadic observables satisfy the Gerstenhaber algebra identities and their time evolution is governed by the Gerstenhaber-Lax or Gerstenhaber-Heisenberg equation. In this way one can describe classical and quantum time evolution of operations. The notion of an operadic Lax pair is introduced as well.

Business training programs are a common form of support to small businesses, but organizations providing this training often struggle to get business owners to attend. We evaluate the role of invitation choice structure in determining agreement to participate and actual attendance. A field experiment randomly assigned female small business owners in Kenya (N = 1172) to one of three invitation t...