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I was born in a small village near the Đuống river.

It is a suburban of Hanoi, the captial of Vietnam.

I love my village so much because

it was a very peaceful place with wide green fields of rice, farm produce, and soft streams.

When I was a child,

every day, I went to the preliminary school

and sometime I took my time at the fields to help

my parent harvesting agricultural produce, for example, carrots, corns, potatoes and rice.

I grew up from the fields as a pure farmer.

Then I got a bachelor degree and master degree both in Mathematics at

Hanoi National University of Sciences (shortly, HUS).

I did my Ph.D in Math at National Tsinghua University in Taiwan.

After my graduation, my friends called me a mathematician.

But I am a mathematical farmer, surely.