Lyubomir Lalov Ivanov is a Bulgarian mathematician, geographer, linguist and politician.
|Alma mater||Sofia University|
|Fields||mathematics, geography, linguistics|
|Institutions||Bulgarian Academy of Sciences|
|Thesis||Iterative Operative Spaces (1980)|
|Doctoral advisor||Dimiter Skordev|
Chairman of the "Mathematical Logic" section at the Institute of Mathematics and Informatics of the Bulgarian Academy of Sciences (1990-2011). Chairman of the Bulgarian Antarctic Place-names Commission since 1994, and national representative to the International Committee on Antarctic Geographic Information. President of the Manfred Wörner Foundation since 1994. Chairman of the Atlantic Club in Bulgaria (2001–2009). 
Lyubomir Ivanov was born on 7 October 1952 in Sofia. In the period 1986-1988 he organized a successful dissident campaign against the candidacy of Sofia for hosting in the city and adjacent Vitosha Mountain the Winter Olympics of 1992 and 1994.
He was an activist of the independent association Ecoglasnost in 1989. Author of Charter '89 for the preservation of Bulgarian natural heritage. Co-founder of the association Wilderness Fund and the Green Party, 1989. Participant in the National Round Table, 1990. Member of the National Coordination Council of the Union of Democratic Forces (1990-1991). Member of the VII Grand National Assembly. He authored scientific works in the field of mathematics, linguistics and toponymy, which have been applied in particular in designing the Streamlined System for the Romanization of Bulgarian. Ivanov suggests using his approach to Cyrillic transliteration also for other alphabets, notably Russian. Participant in several Antarctic expeditions and author of the first Bulgarian topographic map of Antarctica. Leader of the topographic survey Tangra 2004/05, noted by Discovery Channel as a timeline event in Antarctic exploration.
In 1987 he was awarded the prize Nikola Obreshkov – the highest national award for achievements in mathematics, given for his monograph Algebraic Recursion Theory. UNHCR Award for his contribution to refugee studies.
- Antarctic Place-names Commission of Bulgaria
- Standing Committee on Antarctic Geographic Information
- The Atlantic Club of Bulgaria
- Bistrishko Branishte vandalized – once again. Letter of appeal about environment. Sofia, January 1989. 1 p.
- Olympics vs conservation. Grasduinen Maandblad, Haarlem. May 1988. 3 pp. (Excerpts)
- On Sofia's candidacy for the 1994 Winter Olympics. Analytical report. Sofia, January 1988. 4 pp. (In Bulgarian)
- Who cares about Vitosha? Analytical report. Sofia, January 1988. 3 pp.
- To whomever it may concern (1994 Winter Olympics). Letter of appeal about environment. Sofia, January 1988. 2 pp.
- Let's preserve Bistrishko Branishte. Pogled Weekly, 30 June 1986. p. 8 (In Bulgarian)
- What to do with Vitosha? Narodna Kultura Weekly, 25 July 1986. p. 1 (In Bulgarian)
- Winter Olympics. The Times (London, England), 15 October 1986. p. 17. Issue 62589. ISSN 0140-0460
- Charter ’89 for Preservation of the Bulgarian Nature Heritage
- Wilderness Fund
- (Bulgarian) Кръглата маса (3.01.1990 – 14.05.1990) Пълна стенограма
- List of members of the Coordinating Council of the Union of Democratic Forces. Demokratsiya Newspaper, 27 April 1990.
- 1990 Draft parliamentary decision for the full EU (EC) membership of Bulgaria.
- Bulgarian Names in Antarctica. Sofia: Manfred Wörner Foundation, 2019. 525 pp. (in Bulgarian)
- On the Romanization of Bulgarian and English
- Streamlined Romanization of Russian Cyrillic. Contrastive Linguistics. XLII (2017) No. 2. pp. 66-73.
- Bulgarian Antarctic Institute: Expeditions
- Livingston Island: Tangra Mountains, Komini Peak, west slope new rock route; Lyaskovets Peak, first ascent; Zograf Peak, first ascent; Vidin Heights, Melnik Peak, Melnik Ridge, first ascent. The American Alpine Journal, 2005.
- (Bulgarian) Antarctic: Nature, History, Utilization, Geographic Names and Bulgarian Participation. Sofia: Manfred Wörner Foundation, 2014. 368 pp. (Second revised and updated edition, 2014. 411 pp.)
- "Pole Expedition List". ThePoles.com. Archived from the original on 8 March 2005. Retrieved 8 March 2005. Cite uses deprecated parameter
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- 14 November 2004: Tangra. Discovering Antarctica Timeline. Discovery Channel UK website, 2012.
- Lyubomir Ivanov. Institute of Mathematics and Informatics.
- The Academician Nikola Obreshkov Prize for 1987
- Algebraic Recursion Theory. Chichester, West Sussex: Ellis Horwood; and New York: John Wiley & Sons, 1986. 256 pp.
- The role of immigration for the demographic and national development of Bulgaria in the 21st century, in: Towards New Immigration Policies for Bulgaria. Sofia: Manfred Wörner Foundation, 2006. 54 pp. (in Bulgarian, English summary)
- Demographic priorities and goals of the Government Program 2017–2021. Presentation at the round table Demographic Policies and Labour Mobility organized by the Ministry of Labour and Social Policy, and the State Agency for the Bulgarians Abroad. Sofia, 19 September 2017. 4 pp. (in Bulgarian and English)
- L. Ivanov. Measures to solve demographic problems. Business Club Magazine. Issue 11, 2017. pp. 18-20. ISSN 2367-623X (in Bulgarian and English)
- UNHCR Award in Recognition of Innovative Contributions to the Academic Refugee Studies Initiative in Bulgaria (ARSIB), bestowed in 2002