id sid tid token lemma pos xs55m90370p 1 1 there there PRON xs55m90370p 1 2 are be VERB xs55m90370p 1 3 two two NUM xs55m90370p 1 4 parts part NOUN xs55m90370p 1 5 of of ADP xs55m90370p 1 6 my my PRON xs55m90370p 1 7 thesis thesis NOUN xs55m90370p 1 8 . . PUNCT xs55m90370p 2 1 the the DET xs55m90370p 2 2 first first ADJ xs55m90370p 2 3 part part NOUN xs55m90370p 2 4 is be AUX xs55m90370p 2 5 about about ADP xs55m90370p 2 6 muilti muilti PROPN xs55m90370p 2 7 - - PUNCT xs55m90370p 2 8 step step NOUN xs55m90370p 2 9 krylov krylov PROPN xs55m90370p 2 10 iif iif PROPN xs55m90370p 2 11 - - PUNCT xs55m90370p 2 12 weno weno PROPN xs55m90370p 2 13 methods method NOUN xs55m90370p 2 14 . . PUNCT xs55m90370p 3 1 when when SCONJ xs55m90370p 3 2 we we PRON xs55m90370p 3 3 are be AUX xs55m90370p 3 4 dealing deal VERB xs55m90370p 3 5 with with ADP xs55m90370p 3 6 time time NOUN xs55m90370p 3 7 - - PUNCT xs55m90370p 3 8 dependent dependent ADJ xs55m90370p 3 9 partial partial ADJ xs55m90370p 3 10 differential differential ADJ xs55m90370p 3 11 equations equation NOUN xs55m90370p 3 12 ( ( PUNCT xs55m90370p 3 13 pdes pde NOUN xs55m90370p 3 14 ) ) PUNCT xs55m90370p 3 15 with with ADP xs55m90370p 3 16 linear linear ADJ xs55m90370p 3 17 high high ADJ xs55m90370p 3 18 order order NOUN xs55m90370p 3 19 terms term NOUN xs55m90370p 3 20 and and CCONJ xs55m90370p 3 21 stiff stiff ADJ xs55m90370p 3 22 lower low ADJ xs55m90370p 3 23 order order NOUN xs55m90370p 3 24 nonlinear nonlinear ADJ xs55m90370p 3 25 terms term NOUN xs55m90370p 3 26 , , PUNCT xs55m90370p 3 27 implicit implicit ADJ xs55m90370p 3 28 integration integration NOUN xs55m90370p 3 29 factor factor NOUN xs55m90370p 3 30 ( ( PUNCT xs55m90370p 3 31 iif iif PROPN xs55m90370p 3 32 ) ) PUNCT xs55m90370p 3 33 methods method NOUN xs55m90370p 3 34 are be AUX xs55m90370p 3 35 often often ADV xs55m90370p 3 36 a a DET xs55m90370p 3 37 good good ADJ xs55m90370p 3 38 choice choice NOUN xs55m90370p 3 39 as as ADP xs55m90370p 3 40 a a DET xs55m90370p 3 41 class class NOUN xs55m90370p 3 42 of of ADP xs55m90370p 3 43 efficient efficient ADJ xs55m90370p 3 44 ' ' PUNCT xs55m90370p 3 45 exactly exactly ADV xs55m90370p 3 46 linear linear ADJ xs55m90370p 3 47 part part NOUN xs55m90370p 3 48 ' ' PART xs55m90370p 3 49 time time NOUN xs55m90370p 3 50 discretization discretization NOUN xs55m90370p 3 51 method method NOUN xs55m90370p 3 52 . . PUNCT xs55m90370p 4 1 in in ADP xs55m90370p 4 2 complex complex ADJ xs55m90370p 4 3 systems system NOUN xs55m90370p 4 4 ( ( PUNCT xs55m90370p 4 5 e.g. e.g. X xs55m90370p 4 6 advection advection NOUN xs55m90370p 4 7 - - PUNCT xs55m90370p 4 8 diffusion diffusion NOUN xs55m90370p 4 9 - - PUNCT xs55m90370p 4 10 reaction reaction NOUN xs55m90370p 4 11 ( ( PUNCT xs55m90370p 4 12 adr adr PROPN xs55m90370p 4 13 ) ) PUNCT xs55m90370p 4 14 systems system NOUN xs55m90370p 4 15 ) ) PUNCT xs55m90370p 4 16 , , PUNCT xs55m90370p 4 17 the the DET xs55m90370p 4 18 highest high ADJ xs55m90370p 4 19 order order NOUN xs55m90370p 4 20 derivative derivative ADJ xs55m90370p 4 21 term term NOUN xs55m90370p 4 22 can can AUX xs55m90370p 4 23 be be AUX xs55m90370p 4 24 nonlinear nonlinear ADJ xs55m90370p 4 25 , , PUNCT xs55m90370p 4 26 and and CCONJ xs55m90370p 4 27 nonlinear nonlinear ADJ xs55m90370p 4 28 non non ADJ xs55m90370p 4 29 - - ADJ xs55m90370p 4 30 stiff stiff ADJ xs55m90370p 4 31 terms term NOUN xs55m90370p 4 32 and and CCONJ xs55m90370p 4 33 nonlinear nonlinear ADJ xs55m90370p 4 34 stiff stiff ADJ xs55m90370p 4 35 terms term NOUN xs55m90370p 4 36 are be AUX xs55m90370p 4 37 often often ADV xs55m90370p 4 38 mixed mixed ADJ xs55m90370p 4 39 together together ADV xs55m90370p 4 40 . . PUNCT xs55m90370p 5 1 to to PART xs55m90370p 5 2 discretize discretize VERB xs55m90370p 5 3 the the DET xs55m90370p 5 4 hyperbolic hyperbolic ADJ xs55m90370p 5 5 part part NOUN xs55m90370p 5 6 in in ADP xs55m90370p 5 7 adr adr PROPN xs55m90370p 5 8 systems system NOUN xs55m90370p 5 9 , , PUNCT xs55m90370p 5 10 high high ADJ xs55m90370p 5 11 order order NOUN xs55m90370p 5 12 weighted weight VERB xs55m90370p 5 13 essentially essentially ADV xs55m90370p 5 14 non non ADJ xs55m90370p 5 15 - - ADJ xs55m90370p 5 16 oscillatory oscillatory ADJ xs55m90370p 5 17 ( ( PUNCT xs55m90370p 5 18 weno weno PROPN xs55m90370p 5 19 ) ) PUNCT xs55m90370p 5 20 methods method NOUN xs55m90370p 5 21 are be AUX xs55m90370p 5 22 often often ADV xs55m90370p 5 23 used use VERB xs55m90370p 5 24 . . PUNCT xs55m90370p 6 1 there there PRON xs55m90370p 6 2 are be VERB xs55m90370p 6 3 two two NUM xs55m90370p 6 4 open open ADJ xs55m90370p 6 5 problems problem NOUN xs55m90370p 6 6 related relate VERB xs55m90370p 6 7 to to ADP xs55m90370p 6 8 iif iif PROPN xs55m90370p 6 9 methods method NOUN xs55m90370p 6 10 for for ADP xs55m90370p 6 11 solving solve VERB xs55m90370p 6 12 adr adr PROPN xs55m90370p 6 13 systems system NOUN xs55m90370p 6 14 : : PUNCT xs55m90370p 6 15 ( ( PUNCT xs55m90370p 6 16 1 1 X xs55m90370p 6 17 ) ) PUNCT xs55m90370p 6 18 how how SCONJ xs55m90370p 6 19 to to PART xs55m90370p 6 20 obtain obtain VERB xs55m90370p 6 21 higher high ADJ xs55m90370p 6 22 than than ADP xs55m90370p 6 23 the the DET xs55m90370p 6 24 second second ADJ xs55m90370p 6 25 order order NOUN xs55m90370p 6 26 global global ADJ xs55m90370p 6 27 time time NOUN xs55m90370p 6 28 discretization discretization NOUN xs55m90370p 6 29 accuracy accuracy NOUN xs55m90370p 6 30 ; ; PUNCT xs55m90370p 6 31 ( ( PUNCT xs55m90370p 6 32 2 2 X xs55m90370p 6 33 ) ) PUNCT xs55m90370p 6 34 how how SCONJ xs55m90370p 6 35 to to PART xs55m90370p 6 36 design design VERB xs55m90370p 6 37 iif iif PROPN xs55m90370p 6 38 methods method NOUN xs55m90370p 6 39 for for ADP xs55m90370p 6 40 solving solve VERB xs55m90370p 6 41 fully fully ADV xs55m90370p 6 42 nonlinear nonlinear ADJ xs55m90370p 6 43 pdes pde NOUN xs55m90370p 6 44 , , PUNCT xs55m90370p 6 45 i.e. i.e. X xs55m90370p 6 46 , , PUNCT xs55m90370p 6 47 the the DET xs55m90370p 6 48 highest high ADJ xs55m90370p 6 49 order order NOUN xs55m90370p 6 50 terms term NOUN xs55m90370p 6 51 are be AUX xs55m90370p 6 52 nonlinear nonlinear ADJ xs55m90370p 6 53 . . PUNCT xs55m90370p 7 1 we we PRON xs55m90370p 7 2 solve solve VERB xs55m90370p 7 3 these these DET xs55m90370p 7 4 two two NUM xs55m90370p 7 5 problems problem NOUN xs55m90370p 7 6 by by ADP xs55m90370p 7 7 developing develop VERB xs55m90370p 7 8 new new ADJ xs55m90370p 7 9 muilti muilti PROPN xs55m90370p 7 10 - - PUNCT xs55m90370p 7 11 step step NOUN xs55m90370p 7 12 krylov krylov PROPN xs55m90370p 7 13 iif iif PROPN xs55m90370p 7 14 - - PUNCT xs55m90370p 7 15 weno weno PROPN xs55m90370p 7 16 methods method NOUN xs55m90370p 7 17 to to PART xs55m90370p 7 18 deal deal VERB xs55m90370p 7 19 with with ADP xs55m90370p 7 20 both both CCONJ xs55m90370p 7 21 semilinear semilinear ADJ xs55m90370p 7 22 and and CCONJ xs55m90370p 7 23 fully fully ADV xs55m90370p 7 24 nonlinear nonlinear ADJ xs55m90370p 7 25 advection advection NOUN xs55m90370p 7 26 - - PUNCT xs55m90370p 7 27 diffusion diffusion NOUN xs55m90370p 7 28 - - PUNCT xs55m90370p 7 29 reaction reaction NOUN xs55m90370p 7 30 equations equation NOUN xs55m90370p 7 31 . . PUNCT xs55m90370p 8 1 the the DET xs55m90370p 8 2 methods method NOUN xs55m90370p 8 3 can can AUX xs55m90370p 8 4 be be AUX xs55m90370p 8 5 designed design VERB xs55m90370p 8 6 for for ADP xs55m90370p 8 7 arbitrary arbitrary ADJ xs55m90370p 8 8 order order NOUN xs55m90370p 8 9 of of ADP xs55m90370p 8 10 accuracy accuracy NOUN xs55m90370p 8 11 . . PUNCT xs55m90370p 9 1 the the DET xs55m90370p 9 2 stiffness stiffness NOUN xs55m90370p 9 3 of of ADP xs55m90370p 9 4 the the DET xs55m90370p 9 5 system system NOUN xs55m90370p 9 6 is be AUX xs55m90370p 9 7 resolved resolve VERB xs55m90370p 9 8 well well ADV xs55m90370p 9 9 and and CCONJ xs55m90370p 9 10 the the DET xs55m90370p 9 11 methods method NOUN xs55m90370p 9 12 are be AUX xs55m90370p 9 13 stable stable ADJ xs55m90370p 9 14 by by ADP xs55m90370p 9 15 using use VERB xs55m90370p 9 16 time time NOUN xs55m90370p 9 17 step step NOUN xs55m90370p 9 18 sizes size NOUN xs55m90370p 9 19 which which PRON xs55m90370p 9 20 are be AUX xs55m90370p 9 21 just just ADV xs55m90370p 9 22 determined determine VERB xs55m90370p 9 23 by by ADP xs55m90370p 9 24 the the DET xs55m90370p 9 25 non non ADJ xs55m90370p 9 26 - - ADJ xs55m90370p 9 27 stiff stiff ADJ xs55m90370p 9 28 hyperbolic hyperbolic ADJ xs55m90370p 9 29 part part NOUN xs55m90370p 9 30 of of ADP xs55m90370p 9 31 the the DET xs55m90370p 9 32 system system NOUN xs55m90370p 9 33 . . PUNCT xs55m90370p 10 1 large large ADJ xs55m90370p 10 2 time time NOUN xs55m90370p 10 3 step step NOUN xs55m90370p 10 4 size size NOUN xs55m90370p 10 5 computations computation NOUN xs55m90370p 10 6 are be AUX xs55m90370p 10 7 obtained obtain VERB xs55m90370p 10 8 . . PUNCT xs55m90370p 11 1 the the DET xs55m90370p 11 2 second second ADJ xs55m90370p 11 3 part part NOUN xs55m90370p 11 4 is be AUX xs55m90370p 11 5 about about ADP xs55m90370p 11 6 single single ADJ xs55m90370p 11 7 - - PUNCT xs55m90370p 11 8 step step NOUN xs55m90370p 11 9 krylov krylov PROPN xs55m90370p 11 10 iif iif PROPN xs55m90370p 11 11 - - PUNCT xs55m90370p 11 12 weno weno PROPN xs55m90370p 11 13 methods method NOUN xs55m90370p 11 14 . . PUNCT xs55m90370p 12 1 so so ADV xs55m90370p 12 2 far far ADV xs55m90370p 12 3 , , PUNCT xs55m90370p 12 4 the the DET xs55m90370p 12 5 iif iif PROPN xs55m90370p 12 6 methods method NOUN xs55m90370p 12 7 developed develop VERB xs55m90370p 12 8 in in ADP xs55m90370p 12 9 the the DET xs55m90370p 12 10 literature literature NOUN xs55m90370p 12 11 are be AUX xs55m90370p 12 12 multi multi ADJ xs55m90370p 12 13 - - ADJ xs55m90370p 12 14 step step ADJ xs55m90370p 12 15 methods method NOUN xs55m90370p 12 16 . . PUNCT xs55m90370p 13 1 hence hence ADV xs55m90370p 13 2 , , PUNCT xs55m90370p 13 3 we we PRON xs55m90370p 13 4 develop develop VERB xs55m90370p 13 5 single single ADJ xs55m90370p 13 6 - - PUNCT xs55m90370p 13 7 step step NOUN xs55m90370p 13 8 krylov krylov PROPN xs55m90370p 13 9 iif iif PROPN xs55m90370p 13 10 - - PUNCT xs55m90370p 13 11 weno weno ADJ xs55m90370p 13 12 methods method NOUN xs55m90370p 13 13 for for ADP xs55m90370p 13 14 solving solve VERB xs55m90370p 13 15 stiff stiff ADJ xs55m90370p 13 16 advection advection NOUN xs55m90370p 13 17 - - PUNCT xs55m90370p 13 18 diffusion diffusion NOUN xs55m90370p 13 19 - - PUNCT xs55m90370p 13 20 reaction reaction NOUN xs55m90370p 13 21 equations equation NOUN xs55m90370p 13 22 . . PUNCT xs55m90370p 14 1 the the DET xs55m90370p 14 2 methods method NOUN xs55m90370p 14 3 are be AUX xs55m90370p 14 4 designed design VERB xs55m90370p 14 5 carefully carefully ADV xs55m90370p 14 6 to to PART xs55m90370p 14 7 avoid avoid VERB xs55m90370p 14 8 generating generate VERB xs55m90370p 14 9 positive positive ADJ xs55m90370p 14 10 exponentials exponential NOUN xs55m90370p 14 11 in in ADP xs55m90370p 14 12 the the DET xs55m90370p 14 13 matrix matrix NOUN xs55m90370p 14 14 exponentials exponential NOUN xs55m90370p 14 15 , , PUNCT xs55m90370p 14 16 which which PRON xs55m90370p 14 17 is be AUX xs55m90370p 14 18 necessary necessary ADJ xs55m90370p 14 19 for for ADP xs55m90370p 14 20 the the DET xs55m90370p 14 21 stability stability NOUN xs55m90370p 14 22 of of ADP xs55m90370p 14 23 the the DET xs55m90370p 14 24 schemes scheme NOUN xs55m90370p 14 25 . . PUNCT xs55m90370p 15 1 we we PRON xs55m90370p 15 2 analyze analyze VERB xs55m90370p 15 3 the the DET xs55m90370p 15 4 stability stability NOUN xs55m90370p 15 5 and and CCONJ xs55m90370p 15 6 truncation truncation NOUN xs55m90370p 15 7 errors error NOUN xs55m90370p 15 8 of of ADP xs55m90370p 15 9 both both CCONJ xs55m90370p 15 10 the the DET xs55m90370p 15 11 single single ADJ xs55m90370p 15 12 - - PUNCT xs55m90370p 15 13 step step NOUN xs55m90370p 15 14 and and CCONJ xs55m90370p 15 15 multi multi ADJ xs55m90370p 15 16 - - ADJ xs55m90370p 15 17 step step ADJ xs55m90370p 15 18 schemes scheme NOUN xs55m90370p 15 19 . . PUNCT xs55m90370p 16 1 numerical numerical ADJ xs55m90370p 16 2 examples example NOUN xs55m90370p 16 3 of of ADP xs55m90370p 16 4 both both CCONJ xs55m90370p 16 5 scalar scalar ADJ xs55m90370p 16 6 equations equation NOUN xs55m90370p 16 7 and and CCONJ xs55m90370p 16 8 systems system NOUN xs55m90370p 16 9 are be AUX xs55m90370p 16 10 shown show VERB xs55m90370p 16 11 to to PART xs55m90370p 16 12 demonstrate demonstrate VERB xs55m90370p 16 13 the the DET xs55m90370p 16 14 accuracy accuracy NOUN xs55m90370p 16 15 , , PUNCT xs55m90370p 16 16 efficiency efficiency NOUN xs55m90370p 16 17 and and CCONJ xs55m90370p 16 18 robustness robustness NOUN xs55m90370p 16 19 of of ADP xs55m90370p 16 20 these these DET xs55m90370p 16 21 two two NUM xs55m90370p 16 22 schemes scheme NOUN xs55m90370p 16 23 . . PUNCT