WMY2000 NewsLetter 3 
 LETTERS TO THE EDITORS
 
MATHEMATICS 1900-1950-...
In spite of the scientific value and the historical interest of 
Hilbert's 
famous Twenty-Three 
Problems enounced in 1900, one must agree that mathematics have 
developed 
in unforeseen 
directions throughout the XXth century.
In 1992, a symposium held in Luxembourg addressed the 
comprehension of 
that evolution 
during the first half of the present century. One issue was the 
publication of the volume 
"Development of Mathematics 1900-1950" (Birkhäuser, Basel, 1994, 
3-7643-2821-5, 0-8176-
2821-5)" with articles by J. Dieudonné, J.L. Doob, G. 
Fichera, M. 
Guillaume, W. Hayman, C. 
Houzel, J.-P. Kahane, A. Lichnerowicz, J. Mawhin, L. Nirenberg, 
J.-P. 
Pier, W. Schwarz. The 
book presents a chronological list of major results obtained 
during the 
period under study (P. 
Dugac, B. Eckmann, J. Mawhin, J.-P. Pier); it also contains a 
list, drawn 
up by P. Dugac, of 
original and reference sources.
Whereas it is already hazardous to undertake this investigation 
of 
evolution up to 1950, a 
still more ambitious task would consist in tracing these 
movements during 
the later period, as 
former classifications and structures do not seem to apply any 
more. A 
group of persons has 
started on this historical and thematic study in view of World 
Mathematical Year 2000. They 
should appeal to specialists for contributions covering a wide 
spectrum 
of themes which would 
ultimately be linked by logical connections.
Liaison address : 	Jean-Paul Pier, Mathématiques
			Centre universitaire de Luxembourg
 
			162 A, Avenue de la Faïencerie,
			L-1511 Luxembourg (Luxembourg)
			Fax : (352) 46.66.44.237.
			e-mail : pier@crpcu.lu
MUSIC AND MATHEMATICS : DREAM OR REALITY ?
     Some years ago, I used to be irritated by the commonplace 
saying 
that mathematicians had 
a privileged relationship with music. However, for some time now, 
a 
number of contacts with 
people whose intellectual life was devoted to these two poles, 
and my own 
experience as 
musician and mathematician, have led me to rethink this view. In 
the 
Middle Ages, the 
Quadrivium included the four basic sciences which were 
arithmetic, 
geometry, astronomy and 
music. And Leibniz still spoke about the "secret calculation". 
Could this 
close tie between the 
two subjects over many years account for the symbiosis which we 
seem to 
note today? This 
question leads to another : although the medieval learning 
mentioned 
earlier derived from the 
Greek system, it was widely dominated by the Western European 
schools. 
Did this give rise to 
a qualitative or a quantitative difference in the relatedness of 
the two 
subjects in Western 
Europe and in countries with a completely different culture like 
China or 
India for instance?
These are questions we would like to attempt to answer in the 
context of 
a study for the 
World Mathematical Year 2000. A questionnaire was proposed to the 
members 
of the Société 
Mathématique de France (SMF) with a view to collecting 
statistical 
data that will allow us to 
confirm or to infirm this music-mathematics relationship. We are 
planning 
to carry out a 
counter-test in another scientific area (possibly chemistry) to 
see if 
differences emerge. 
This operation has already been successful among members of the 
SMF. We 
would now 
very much like to submit it to a wider sample. The questionnaire 
is now 
available in English on 
the web :
Questionnaire Mathematics and Music . 
 In advance we wish to 
thank all 
those who agree to 
spare a little of their time (not more than fifteen minutes) to 
fill in 
the questionnaire.
Also, as I am new in the field, I am slowly discovering that many 
people 
have already 
delved into this issue from a historical, psychological or 
philosophical 
point of view. So I do 
hope that the people I have not yet had a chance to get in touch 
with 
will kindly let me have 
their opinion (and a bibliography, if they wish) in order to give 
more 
weight to the project.
Liaison address 	Laurent Mazliak
			Laboratoire de Probabilités
			Université Pierre et Marie Curie
			Tour 56 3ème étage
			4, Place Jussieu
			F-75252 Paris Cedex 05
			France
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