{"id":16715486,"url":"https://github.com/vil02/nowhere_convex","last_synced_at":"2026-03-18T21:42:50.517Z","repository":{"id":39989901,"uuid":"375794204","full_name":"vil02/nowhere_convex","owner":"vil02","description":"construction of a nowhere convex, non-negative, strictly increasing, continuously differentiable function tightly bounded from above by a convex one","archived":false,"fork":false,"pushed_at":"2025-02-05T07:53:59.000Z","size":633,"stargazers_count":0,"open_issues_count":1,"forks_count":0,"subscribers_count":1,"default_branch":"master","last_synced_at":"2025-02-05T08:33:06.608Z","etag":null,"topics":[],"latest_commit_sha":null,"homepage":"","language":"TeX","has_issues":true,"has_wiki":null,"has_pages":null,"mirror_url":null,"source_name":null,"license":null,"status":null,"scm":"git","pull_requests_enabled":true,"icon_url":"https://github.com/vil02.png","metadata":{"files":{"readme":"README.md","changelog":null,"contributing":null,"funding":null,"license":null,"code_of_conduct":null,"threat_model":null,"audit":null,"citation":null,"codeowners":null,"security":null,"support":null,"governance":null,"roadmap":null,"authors":null,"dei":null,"publiccode":null,"codemeta":null}},"created_at":"2021-06-10T18:33:04.000Z","updated_at":"2025-02-05T07:53:41.000Z","dependencies_parsed_at":"2024-01-29T14:47:08.375Z","dependency_job_id":"0ebe3a1e-a291-4956-9aab-c9d2c67416d1","html_url":"https://github.com/vil02/nowhere_convex","commit_stats":null,"previous_names":[],"tags_count":0,"template":false,"template_full_name":null,"repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/vil02%2Fnowhere_convex","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/vil02%2Fnowhere_convex/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/vil02%2Fnowhere_convex/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/vil02%2Fnowhere_convex/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/vil02","download_url":"https://codeload.github.com/vil02/nowhere_convex/tar.gz/refs/heads/master","host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":243707307,"owners_count":20334616,"icon_url":"https://github.com/github.png","version":null,"created_at":"2022-05-30T11:31:42.601Z","updated_at":"2022-07-04T15:15:14.044Z","host_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub","repositories_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories","repository_names_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repository_names","owners_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners"}},"keywords":[],"created_at":"2024-10-12T21:09:32.544Z","updated_at":"2026-01-01T23:48:59.387Z","avatar_url":"https://github.com/vil02.png","language":"TeX","funding_links":[],"categories":[],"sub_categories":[],"readme":"[![build_document](https://github.com/vil02/nowhere_convex/actions/workflows/build_document.yml/badge.svg)](https://github.com/vil02/nowhere_convex/actions/workflows/build_document.yml)\n[![latex_linter_check](https://github.com/vil02/nowhere_convex/actions/workflows/chktex.yml/badge.svg)](https://github.com/vil02/nowhere_convex/actions/workflows/chktex.yml)\n[![pdf_check](https://github.com/vil02/nowhere_convex/actions/workflows/pdf_check.yml/badge.svg)](https://github.com/vil02/nowhere_convex/actions/workflows/pdf_check.yml)\n\n[This file](./generated/nowhere_convex.pdf) ([download](https://raw.githubusercontent.com/vil02/nowhere_convex/master/generated/nowhere_convex.pdf)) contains a construction of a nowhere convex, non-negative, strictly increasing, continuously differentiable function tightly bounded from above by a convex one.\nIt also contains a motivation to consider such an object.\n\nThis example was presented during:\n* the exercise classes to [_Aspects of Nonlinear Wave Equations_](https://www.math.kit.edu/iana2/edu/nonlinwave2016s/) (summer semester 2016, Karlsruhe),\n* the talk [_O pewnej funkcji nigdzie wypukłej z wypukłym ograniczeniem górnym_](http://knm.katowice.pl/spotkanie_21.12.2016_piotr_idzik.php) (in Polish) [[_About a certain nowhere convex function with a convex upper bound_](http://en.knm.katowice.pl/spotkanie_21.12.2016_piotr_idzik.php)] (Katowice, 21.12.2016).\n\n[![Open in Gitpod](https://gitpod.io/button/open-in-gitpod.svg)](https://gitpod.io/#https://github.com/vil02/nowhere_convex)\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fvil02%2Fnowhere_convex","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fvil02%2Fnowhere_convex","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fvil02%2Fnowhere_convex/lists"}