Interview was conducted on September 14, 1994.
When asked of his opinion on 心算 (mental arithmetic), Prof Bolobas said:
"Oh my God!
It's terrible. It trains you to be more comfortable
with numbers to a certain extent, but it has nothing
to do with mathematics, it has nothing to do with
thinking. "
SMS: Singapore Mathematical Society
BB: Prof Bela Bolobas
SMS: Do you think that mathematics competitions promote mathematics?
BB: I am a strong supporter of mathematics competitions; I have no doubt whatsoever
that, on the whole, competitions serve a very useful purpose: they demonstrate that
mathematics is not about getting results by applying well worked out, standard and
boring methods, but is full of exciting, beautiful and unusual problems, whose solutions
need ingenuity. Competitions should and do awaken the participants to the beauty
of mathematics and to the role of ingenuity and imagination in attacking mathematical
problems. In my experience, ordinary school mathematics very rarely indicates that
one of the greatest assets of a professional mathematician is his imagination. Also,
competitions enable youngsters to get some idea where they stand compared to their
contemporaries, whether they are among the very best in the country at the stage or
only better than their school friends.
SMS: So are competitions entirely good?
BB: Not entirely, far from it. The usual competitions have a number of drawbacks. Maybe
two of the greatest drawbacks are that they happen only very occasionally and there
is a time constraint which makes them too much like exams, which almost nobody
likes. Also, it is rather sad, but undeniable, that for some people, competitions may
do more harm than good. They think that they are rather good at mathematics and
they go along to a competition thinking that they must do well. Then they become
very nervous and they don't do well, so they get discouraged.
SMS: Do you think that mathematics competitions are just for the elite few?
BB: In some sense this is true, for the people who get the greatest pleasure out of the exam-like
competitions are those who do well in them, and they are, by definition, the elite
few. For the others the exam-like competitions can even be harmful, by signalling to
them that they are not as good as they think, at least not in that type of competition,
so they may be discouraged. As a matter of fact, this kind of discouragement happens
often at Cambridge, and at any other university with outstanding mathematics
undergraduates. As a Director of Studies in Trinity College, I have seen many students
who are used to being at the top of the school, and upon their arrival in Cambridge,
they find two boys on their staircase who are much better. Such a discovery can be
devastating. I have to tell them not to be upset, since it is better to see the very best
of their contemporaries at close range, so that they know where they stand. As for the
competitions, one way to avoid discouraging students would be to have some easy
problems as well, so that many competitors can go home with a sense of success. But
there should also be some genuinely difficult problems, to sort out the very best. For
example, the problems at the last International Mathematical Olympiad were far too
easy.
.....
Prof Bolobas mentioned PM Lee, who was a senior wrangler (one who graduates as the top Cambridge Math student).
SMS: There have been many Singaporeans reading mathematics at Cambridge. Who do you recall to have been the most outstanding one?
BB: There have been many good Singaporean students, but one stands out among them; Lee Hsien Loong, your Deputy Prime Minister. He graduated at the top of his class, and he really won by a street. The one who came second has now become a world-class mathematician, but it was clear to everyone at the time who was the better one.
Read more of the interview here.
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