Srinivasa Ramanujan Iyengar  (; ten khai sinh la Srinivasa Ramanujan Aiyangar, IPA: [sriːniʋaːsa ɾaːmaːnudʑan ajːaŋgar]; 22 thang 12 nam 1887 – 26 thang 4 nam 1920) la nha toan hoc nguoi An Đo, noi tieng la nguoi du khong đuoc đao tao bai ban ve toan hoc thuan tuy, ong đa co nhung đong gop đang ke cho giai tich toan hoc, ly thuyet so, chuoi vo tan va cac lien phan so.


Cuoc đoi Ong sinh ra va lon len tai Erode, Tamil Nadu, An Đo roi lam quen voi toan hoc nam len 10 tuoi. Ong cho thay nang khieu đac biet ve toan khi đuoc tang mot quyen sach luong giac cao cap cua S L Loney. Nam len 13 ong đa thanh thuc quyen sach nay nen bat đau tim cach tu phat minh ra cac đinh ly toan hoc. Nam len 17 ong tu nghien cuu ve so Bernoulli va hang so Euler-Mascheroni. Ong nhan hoc bong vao mot đai hoc cong o Kumbakonam nhung rot ngay nam đau do khong đat cac mon khong phai toan hoc. Sau đo ong vua lam nhan vien tai mot co quan nha nuoc đe co chi phi theo đuoi nganh toan tai mot đai hoc khac. Trong hai nam 1912-1913 ong gui vai cong trinh đen ba vi giao su o đai hoc Cambridge nhung chi co G. H. Hardy nhan ra tai nang cua ong, nen giao su Hardy đa moi ong sang Anh lam hoc tro minh tai Cambridge.
Trong quang đoi ngan ngui Ramanujan đa đoc lap cong bo gan 3900 ket qua nghien cuu phan lon thuoc linh vuc phuong trinh va đong nhat thuc, ma ngay nay hau het đuoc cong nhan chinh xac tru vai ket qua sai hoac đa co truoc khi ong đua ra. Mot so cong trinh cua ong van la nen tang va chua đuoc hoan thien nhu so nguyen to Ramanujan, ham theta Ramanujan đa cuon hut nhieu nghien cuu đi sau vao cac đe tai nay. Tap chi Ramanujan ra đoi đe cong bo cac nghien cuu toan hoc co anh huong tu cong trinh cua ong.


Xem them So nguyen to Ramanujan


Chu thich Tac pham chon loc cua Ramanujan Collected Papers of Srinivasa Ramanujan, by Srinivasa Ramanujan, G. H. Hardy, P. V. Seshu Aiyar, B. M. Wilson, Bruce C. Berndt (AMS, 2000, ISBN 0-8218-2076-1)
This book was originally published in 1927 after Ramanujan's death. It contains the 37 papers published in professional journals by Ramanujan during his lifetime. The third re-print contains additional commentary by Bruce C. Berndt.

Notebooks (2 Volumes), S. Ramanujan, Tata Institute of Fundamental Research, Bombay, 1957.
These books contain photo copies of the original notebooks as written by Ramanujan.

The Lost Notebook and Other Unpublished Papers, by S. Ramanujan, Narosa, New Delhi, 1988.
This book contains photo copies of the pages in the "Lost Notebook".


Tac pham chon loc viet ve Ramanujan cung cong trinh cua ong Berndt, Bruce C. "An Overview of Ramanujan's Notebooks." Charlemagne and His Heritage: 1200 Years of Civilization and Science in Europe. Ed. P. L. Butzer, W. Oberschelp, and H. Th. Jongen. Turnhout, Belgium: Brepols, 1998. 119-146. Text
Berndt, Bruce C., and George E. Andrews. Ramanujan's Lost Notebook, Part I. New York: Springer, 2005. ISBN 0-387-25529-X.
Berndt, Bruce C., and George E. Andrews. Ramanujan's Lost Notebook, Part II. New York: Springer, 2008. ISBN 978-0-387-77765-8
Berndt, Bruce C., and Robert A. Rankin. Ramanujan: Letters and Commentary. Vol. 9. Providence, Rhode Island: American Mathematical Society, 1995. ISBN 0-8218-0287-9.
Berndt, Bruce C., and Robert A. Rankin. Ramanujan: Essays and Surveys. Vol. 22. Providence, Rhode Island: American Mathematical Society, 2001. ISBN 0-8218-2624-7.
Berndt, Bruce C. Number Theory in the Spirit of Ramanujan. Providence, Rhode Island: American Mathematical Society, 2006. ISBN 0-8218-4178-5.
Berndt, Bruce C. Ramanujan's Notebooks, Part I. New York: Springer, 1985. ISBN 0-387-96110-0.
Berndt, Bruce C. Ramanujan's Notebooks, Part II. New York: Springer, 1999. ISBN 0-387-96794-X.
Berndt, Bruce C. Ramanujan's Notebooks, Part III. New York: Springer, 2004. ISBN 0-387-97503-9.
Berndt, Bruce C. Ramanujan's Notebooks, Part IV. New York: Springer, 1993. ISBN 0-387-94109-6.
Berndt, Bruce C. Ramanujan's Notebooks, Part V. New York: Springer, 2005. ISBN 0-387-94941-0.
Hardy, G. H. Ramanujan. New York, Chelsea Pub. Co., 1978. ISBN 0-8284-0136-5
Hardy, G. H. Ramanujan: Twelve Lectures on Subjects Suggested by His Life and Work. Providence, Rhode Island: American Mathematical Society, 1999. ISBN 0-8218-2023-0.
Henderson, Harry. Modern Mathematicians. New York: Facts on File Inc., 1995. ISBN 0-8160-3235-1.
Kanigel, Robert. The Man Who Knew Infinity: a Life of the Genius Ramanujan. New York: Charles Scribner's Sons, 1991. ISBN 0-684-19259-4.
Leavitt, David. The Indian Clerk. Luan Đon: Bloomsbury, 2007. ISBN 978-0-7475-9370-6 (paperback).
Narlikar, Jayant V. Scientific Edge: the Indian Scientist From Vedic to Modern Times. New Delhi, India: Penguin Books, 2003. ISBN 0-14-303028-0.
T.M.Sankaran. "Srinivasa Ramanujan- Ganitha lokathile Mahaprathibha", (in Malayalam), 2005, Kerala Sastra Sahithya Parishath, Kochi.


Lien ket ngoai = Truyen thong =
"Film to celebrate mathematics genius". BBC. Truy cap ngay 24 thang 8 nam 2006.
Feature Film on Mathematics Genius Ramanujan by Dev Benegal and Stephen Fry
BBC radio programme about Ramanujan - episode 5
A biographical song about Ramanujan's life


= Tieu su =
Biographical essay on Ramanujan Luu tru ngay 13 thang 10 nam 2007 tai Wayback Machine
Biography of this mathematical genius at World of Biography Luu tru ngay 27 thang 6 nam 2010 tai Wayback Machine
Srinivasan Ramanujan in One Hundred Tamils of 20th Century
Srinivasa Aiyangar Ramanujan
A short biography of Ramanujan
"A passion for numbers" Luu tru ngay 13 thang 10 nam 2007 tai Wayback Machine


= Khac =
A Study Group For Mathematics: Srinivasa Ramanujan Iyengar Luu tru ngay 30 thang 6 nam 2006 tai Wayback Machine
The Ramanujan Journal Luu tru ngay 26 thang 1 nam 2002 tai Wayback Machine - An international journal devoted to Ramanujan
International Math Union Prizes Luu tru ngay 25 thang 11 nam 2005 tai Wayback Machine, including a Ramanujan Prize.
Complicite Production of "A Disappearing Number" Luu tru ngay 5 thang 2 nam 2007 tai Wayback Machine - a play about Ramanujan's work
Hindu.com: Norwegian and Indian mathematical geniuses Luu tru ngay 20 thang 1 nam 2005 tai Wayback Machine, RAMANUJAN — Essays and Surveys Luu tru ngay 3 thang 12 nam 2006 tai Wayback Machine, Ramanujan's growing influence Luu tru ngay 3 thang 1 nam 2004 tai Wayback Machine, Ramanujan's mentor Luu tru ngay 28 thang 6 nam 2004 tai Wayback Machine