Siméon Poisson asked him to submit his work on the theory of equations, which he did on 17 January 1831.
1	Siméon	Siméon	PROPN	NNP	Number=Sing	3	nsubj	3:nsubj	Discourse=causal-cause:13->14:0|Entity=(2-person-giv:inact-cf4-1,2-coref-Siméon_Denis_Poisson|XML=<ref target:::"https://en.wikipedia.org/wiki/Sim%C3%A9on_Poisson">
2	Poisson	Poisson	PROPN	NNP	Number=Sing	1	flat	1:flat	Entity=2)|XML=</ref>
3	asked	ask	VERB	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	0	root	0:root	_
4	him	he	PRON	PRP	Case=Acc|Gender=Masc|Number=Sing|Person=3|PronType=Prs	3	iobj	3:iobj|6:nsubj:xsubj	Entity=(4-person-giv:act-cf1*-1-ana-Évariste_Galois)
5	to	to	PART	TO	_	6	mark	6:mark	_
6	submit	submit	VERB	VB	VerbForm=Inf	3	xcomp	3:xcomp|17:ccomp	_
7	his	his	PRON	PRP$	Case=Gen|Gender=Masc|Number=Sing|Person=3|Poss=Yes|PronType=Prs	8	nmod:poss	8:nmod:poss	Entity=(20-abstract-new-cf6-2-coref(4-person-giv:act-cf1*-1-ana-Évariste_Galois)
8	work	work	NOUN	NN	Number=Sing	6	obj	6:obj	_
9	on	on	ADP	IN	_	11	case	11:case	_
10	the	the	DET	DT	Definite=Def|PronType=Art	11	det	11:det	Entity=(5-abstract-giv:inact-cf5-2-coref
11	theory	theory	NOUN	NN	Number=Sing	8	nmod	8:nmod:on	XML=<ref target:::"https://en.wikipedia.org/wiki/Theory_of_equations">
12	of	of	ADP	IN	_	13	case	13:case	_
13	equations	equation	NOUN	NNS	Number=Plur	11	nmod	11:nmod:of	Entity=5)20)|SpaceAfter=No|XML=</ref>
14	,	,	PUNCT	,	_	17	punct	17:punct	_
15	which	which	PRON	WDT	PronType=Rel	17	obj	6:ref|17:obj	Discourse=joint-sequence_m:14->4:1
16	he	he	PRON	PRP	Case=Nom|Gender=Masc|Number=Sing|Person=3|PronType=Prs	17	nsubj	17:nsubj	Entity=(4-person-giv:act-cf1*-1-ana-Évariste_Galois)
17	did	do	VERB	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	6	advcl:relcl	6:advcl:relcl	_
18	on	on	ADP	IN	_	19	case	19:case	_
19	17	17	NUM	CD	NumForm=Digit|NumType=Card	17	obl	17:obl:on	Entity=(21-time-new-cf7-1-sgl|XML=<date when:::"1831-01-17">
20	January	January	PROPN	NNP	Number=Sing	19	compound	19:compound	Entity=(11-time-giv:act-cf2-2-coref
21	1831	1831	NUM	CD	NumForm=Digit|NumType=Card	19	nmod:tmod	19:nmod:tmod	Entity=(12-time-giv:act-cf3-1-coref)11)21)|SpaceAfter=No|XML=</date>
22	.	.	PUNCT	.	_	3	punct	3:punct	_
