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UNIVERSITETET I OSLO

OSTASIATISK INSTITUTE N
DEPT. OF EAST ASIAN STUDIES BLIN
UNIVERSITY OF OSLO BLINDERN,
P.O. Box 1012
N-0316 Oslo 3
Tel. (47) (2) 45 67 81










De~r Professor Kai Lai Chung,



Thank you very much for your letter and the article. I

am delighted to think that you are up in the mountains hiking

where Feng Zikai was avoiding the rain.



A long-bearded lecture in Oslo would be fine, of course. The

problem is that there is no money set aside for this sort of

thing. Would a long-bearded letter without any money do?



I shall send you a copy of my Feng Zikai, or rather, I could.

Why not hand it over to you in person when you come to Oslo. That

would mean you have a reason to visit Norway, long-bearded

lecture or no long-bearded lecture.



Best wishes,





Christoph Harbsmeier







UNIVERSITY OF CREATE
Department of Mathematics
Iraklion Crete Greece
Tel. (081) 232.156, 236.853
Telex 262728

P.O. Box 1470





Prof. Kai Lai Chung
Department of Mathematics
Stanford University
Stanford CA 94305
U.S.A.








Dear Professor Chung,

From your student Vassilis Papanicolaou we have heard that
you are interested in visiting our department and giving a series
of talks.
We shall be very glad to have you here for some months or a
whole semester. We have a very restricted number of visiting
positions, but I hope that it will be possible to have one for
you.
Please, let us know in which time you would like to visit
us and on which subject you are interested to lecture.






MATHEMATICAL INSTITUTE
DEPARTMENT OF SCIENCE
KYOTO UNIVERSITY
KYOTO, JAPAN


Dear Kai Lai:
1. Ville's proof if v. bad: too complicated. Have a new idea in this
direction using heat capacities, but just idea so far.
2, I would like very much to write your paper, but I can't until I finish
this lousy book. Would you be interested in letting one of Ito's
students take it? I donCt know whether any of them are interested
or competent, but I can ask if the idea appeals to you. It would be
nice to finish the thing and get it published.
3. You are right. I do mean

1,2,4,8,1,3,6,1,2,... .
4. Consider the diffusion (=Markov chain) that Feller and I gave in PNAS.
If xt:O continuous and Sx x for each t xt is rational with probability one
so that almost all paths spend almost all the time among the ratiohals.
Also, xt has no interval of constancy aoe-because all the rational3are
instantaneous for the chain.


5. Concerning FELLER PUZZLE no. 3:

m = 1/ x p + 0((i)(l-x(i))












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Best regards: H.


















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Division of Mathematics and Physics Mathematics 301-455-2401 Physics 301-455-2513



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bassan a mercurio.mat.uniroma I.it

Dear Bruno,
Since I don't know how to telephone you, please call me after 4 PM
(not before, napl) at the Hilton Milano. Hope to see you there June
23? I may take a day-tour the next day, and P home the next next
day. P/py If you want to email me at Bisa, send it yo Letta. Kai L

You can also send me email now using this ecode, my daughter's. Leave
for Lisboa May 26. Ciao. Kai Lai








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