# Any relation between FF and UFL?

**URL:** <https://community.freefem.org/t/any-relation-between-ff-and-ufl/2863>\
**Category:** General Discussion\
**Created:** [January 3, 2024, 12:06am UTC](https://community.freefem.org/t/any-relation-between-ff-and-ufl/2863 "2024-01-03T00:06:58Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![marchywka](https://avatars.discourse-cdn.com/v4/letter/m/ee59a6/32.png) [@marchywka](https://community.freefem.org/u/marchywka)\
**Post date:** [January 3, 2024, 12:06am UTC](https://community.freefem.org/t/any-relation-between-ff-and-ufl/2863/1 "2024-01-03T00:06:58Z")

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if you go to page 10 or so there is something called UFL,

[irksome ufl](https://arxiv.org/pdf/2006.16282.pdf#page=10)

[irksome](https://arxiv.org/pdf/2006.16282.pdf)

just curious if anyone is familiar with this and relation to FreeFEM  
or for that matter Irksome RK lol.  
Thanks.

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**Author:** ![prj](https://avatars.discourse-cdn.com/v4/letter/p/ecae2f/32.png) [@prj](https://community.freefem.org/u/prj)\
**Post date:** [January 3, 2024, 8:03am UTC](https://community.freefem.org/t/any-relation-between-ff-and-ufl/2863/2 "2024-01-03T08:03:06Z")

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Not at all, UFL is used in Firedrake and FEniCS, but again, RK methods are available within PETSc TS.