Guillaume Jacques is a French linguist

Linguistics

Linguistics is the scientific study of human language. Linguistics can be broadly broken into three categories or subfields of study: language form, language meaning, and language in context....

 of Breton

Breton people

The Bretons are an ethnic group located in the region of Brittany in France. They trace much of their heritage to groups of Brythonic speakers who emigrated from southwestern Great Britain in waves from the 3rd to 6th century into the Armorican peninsula, subsequently named Brittany after them.The...

 descent who specializes in the study of Tibeto-Burman languages

Tibeto-Burman languages

The Tibeto-Burman languages are the non-Chinese members of the Sino-Tibetan language family, over 400 of which are spoken thoughout the highlands of southeast Asia, as well as lowland areas in Burma ....

, in particular Old Chinese

Old Chinese

The earliest known written records of the Chinese language were found at a site near modern Anyang identified as Yin, the last capital of the Shang dynasty, and date from about 1200 BC....

, Tangut

Tangut language

Tangut is an ancient northeastern Tibeto-Burman language once spoken in the Western Xia Dynasty, also known as the Tangut Empire. It is classified by some linguists as one of the Qiangic languages, which also include Qiang and rGyalrong, among others...

 and Tibetan

Tibetan language

The Tibetan languages are a cluster of mutually-unintelligible Tibeto-Burman languages spoken primarily by Tibetan peoples who live across a wide area of eastern Central Asia bordering the Indian subcontinent, including the Tibetan Plateau and the northern Indian subcontinent in Baltistan, Ladakh,...

. He has also done research on the Breton language

Breton language

Breton is a Celtic language spoken in Brittany , France. Breton is a Brythonic language, descended from the Celtic British language brought from Great Britain to Armorica by migrating Britons during the Early Middle Ages. Like the other Brythonic languages, Welsh and Cornish, it is classified as...

.

Biography

Jacques studied linguistics at the University of Amsterdam and Paris Diderot University obtaining his doctorate in 2004, with a dissertation on the phonology and morphology of the Japhug language (one of the Rgyalrongic languages), which was based on fieldwork carried out in Sichuan

Sichuan

' , known formerly in the West by its postal map spellings of Szechwan or Szechuan is a province in Southwest China with its capital in Chengdu...

, China in 2002–2003. He taught at Paris Descartes University for four years before taking up a permanent research post at the Centre de Recherches Linguistiques sur l'Asie Orientale.

Works

• 2000. "The character ywij and the reconstruction of the Zhi and Wei rhymes"; Cahiers de Linguistique: Asie Orientale 29.2: 205–222.
• 2003. "Jiarongyu, Zangyu ji Shanggu Hanyu de -s houzhui" (嘉绒语、藏语及上古汉语的-s后缀) [The –s suffix in Rgyalrong, Archaic Chinese and Tibetan]; Minzu Yuwen (民族语文) 2003.1: 12–15.
• 2003. "Un cas de dissimilation labiale en chinois archaïque : la racine 'couvrir, renverser' et son équivalent en tibétain"; Cahiers de Linguistique: Asie Orientale 32.1: 123–130.
• 2004. "Chabaohua de chongdie xingshi" (茶堡话的重叠形式) [Reduplication in Japhug]. Minzu Yuyan (民族语文) 2004.4: 7–11.
• 2007. Textes tangoutes I, Nouveau recueil sur l'amour parental et la piété filiale. München: Lincom Europa. ISBN 3895867668
• 2007. "A shared suppletive pattern in the pronominal systems of Chang Naga and Southern Chang"; Cahiers de Linguistique: Asie Orientale 36.1:61–78.
• 2008. Jiarongyu Yanjiu (嘉绒语研究) [A study on the rGyalrong language]. Beijing: Minzu chubanshe. ISBN 7105096046
• 2008. Xixiayu de mingcixing weiyu (西夏语的名词性谓语) [On nominal predicates in Tangut]; Minzu Yuwen (民族语文) 2008.4: 37–39.
• 2009. "The origin of vowel alternations in the Tangut verb"; Language and Linguistics 10.1: 17–27.
• 2010. "The inverse in Japhug Rgyalrong"; Language & Linguistics 11.1:127–157.