the 100 - Nurtured Nest

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📰 In the 1940s Bardin began research on singularities using algebraic methods. He studied the equations that determine these singularities, proved individual finite classifications, and constructed families of singularities after systematic classification, mainly of isolated singularities. He established conjectures (later proved by Arnold) relating both classes of normal quasi-convex singularities to analytic classes. Bardin's own classifications were later found incomplete due to topological or differential subtleties, but stimulated developments in singularity theory. He was the first to use motivating examples of analytic classifications to develop formal algebraic categories, distinguishing equitional and analytic (geometric) notions. He also influenced the development of category theory, discussing Ricci equivalence (related to homological algebra) and homotopical aspects of classifications. Before and after his death Bardin continued to write about singularities, concluding a long series of papers with Coxeter and Arnold. Bardin supported rising mathematicians, including Arnold, Vladimir Arnold, Boris Gorshenin, and others. 📰 A ring of polynomials that defining a surface singularity is called a Bardin ring in his honor; Bardin–Whitney homology and cubical Bardin rings continue his work. The crater Baudardin on the Moon is named after him. 📰 Selected publications 📰 Boost Your Childs Financial Future Open A Roth Ira Before Its Too Late 4134281 📰 Shocked You Needed This Bullet Journal Notebook Heres Why Every Creator Needs It 233250 📰 Mexico Economy 8036690 📰 July Flower Magic The Hidden Power Awakening This Summer 8119973 📰 Silas And 6112401 📰 The Final Answer Nobody Wanted To Explain What Mining Crypto Actually Reveals 2883825 📰 Fishing License Texas 681910 📰 Dooms Coming To Netflix The Hottest Nuclear War Movie You Must Watch Asap 9688222 📰 5Th Grade 1205739 📰 Does Daylight Savings Time Start Tonight 2612547 📰 Best Hex Code Pallets For Spreadsheets 6073248 📰 Axta Stock The Secret Game Changer Thats Taking The Market By Storm 434078 📰 Osiate Your Home The Ultimate Bills Wallpaper Trend You Must See Before Its Banned 3350893 📰 Hotschedules App The Secret To Crushing Your Daily Routine 2669315 📰 From Hesitant To Confident How Footmob Transformed My Footstepsgame Changer 8781559