# New on Forem: "Convex hull of a Cartesian product"

**URL:** <https://discourse.julialang.org/t/new-on-forem-convex-hull-of-a-cartesian-product/129057>\
**Category:** Community\
**Tags:** convex-hull, cartesian-product\
**Created:** [May 16, 2025, 7:10am UTC](https://discourse.julialang.org/t/new-on-forem-convex-hull-of-a-cartesian-product/129057 "2025-05-16T07:10:43Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![oheil](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/oheil/32/220745_2.png) [@oheil](https://discourse.julialang.org/u/oheil)\
**Post date:** [May 16, 2025, 7:10am UTC](https://discourse.julialang.org/t/new-on-forem-convex-hull-of-a-cartesian-product/129057/1 "2025-05-16T07:10:43Z")

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@WalterMadelim proofs a proposition on convex hull for us on forem:

> **[Convex hull of a Cartesian product](https://forem.julialang.org/waltermadelim/convex-hull-of-a-cartesian-product-358i)**
>
> I find that this proposition is hardly found in textbooks. And its proof is not easily found on the...

You may find it interesting.

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**Author:** ![WalterMadelim](https://avatars.discourse-cdn.com/v4/letter/w/3e96dc/32.png) [@WalterMadelim](https://discourse.julialang.org/u/WalterMadelim)\
**Post date:** [May 16, 2025, 8:06am UTC](https://discourse.julialang.org/t/new-on-forem-convex-hull-of-a-cartesian-product/129057/2 "2025-05-16T08:06:06Z")

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I left a reference therein.  
Might be useful for people who do operations research.  
(particularly (stochastic) integer programming).