![]() ![]() As Administrator of the Wage and Hour Division of the Department of Labor, nominated by President George W. While at Littler, she was also a founding managing partner of ComplianceHR, developing compliance applications using Neota Logic’s expertise automation platform. Most recently she practiced law at Littler Mendelson, where she specialized in auditing compliance with state and federal wage and hour laws. McCutchen’s career in the labor and employment field spans the legal, corporate and government sectors. Tammy enhances our services to our clients by combining an invaluable insider view and sophisticated understanding of the regulations.” I cannot wait to get started offering our clients my expertise in combination with Resolution Economics’ sophisticated and rigorous data analysis capabilities.”Īli Saad, Ph.D., Co-Founder and Managing Partner of the firm added, “It’s great to add another professional with significant government regulatory experience to our team. “I’m also excited about the amazing synergies Rob and I will bring to employers facing wage and hour challenges – before, during, and after litigation. “Vicki and I were a great team at the Labor Department and I could not pass up an opportunity to work with her again,” McCutchen said. I know she will add tremendous value to our consulting capabilities.” Tammy’s expertise on the wage and hour regulatory front is unsurpassed, but more than that, she has a very sharp mind and is deeply schooled on the employment issues that confront organizations. Equal Employment Opportunity Company, commented, “I’m thrilled to have the opportunity to work with Tammy again, twenty years after we were colleagues at the Department of Labor. Lipnic, a Resolutions Economics Partner and head of the firm’s Human Capital Consulting Group, and former Commissioner and Acting Chair of the U.S. Dover Publications, 2007.Ĭynthia J.Victoria A. The Genesis of the Abstract Group Concept: A Contribution to the History of the Origin of Abstract Group Theory. “The Evolution of Group Theory: A Brief Survey.” Mathematics Magazine 59, no. The Library’s preferred credit line for all use is: “Courtesy of The Linda Hall Library of Science, Engineering & Technology.” References The Linda Hall Library makes available all existing digital images from its collection that are in the public domain to be used for any purpose under the terms of a Creative Commons License CC by 4.0. Images in this article are courtesy of the Linda Hall Library of Science, Engineering & Technology and used with permission. ![]() Janet Barnett has created a project for students based on this primary source as part of the TRIUMPHS project. The pictures below are from Note 7 on the method of Alexis Fontaine for finding solutions of cubics, which shows notation for nonreal complex roots Note 10 where the Greek capital sigma was used for summations and from Note 12, depicting sequences of fractions starting with 1/0.Ī complete digital scan of the 1808 edition of Lagrange’s Traité de la Résolution des Equations Numérique is available in the Linda Hall Library Digital Collections. In the next picture, from Note 5 on Newton’s Method for approximating roots of polynomial equations, a general polynomial is shown in expanded form. Below is a picture of page 2, which shows Lagrange representing general polynomial equations as a product of linear factors. The mathematical notation is interesting in this work. ![]() ” The first page of this summary is below. However, exact solutions to polynomial equations were also discussed, including a summary of Lagrange’s groundbreaking 1770 paper "Réflexions sur la résolution algébrique des équations" (published in the memoirs of the Berlin Academy of Sciences), which noted historian Israel Kleiner called one of the “four major sources in the evolution of group theory. ![]() The title can be translated as A Treatise on the solution of numerical equations of all degrees, indicating that the book deals with numerical solutions to equations. Originally published in 1798, the 1808 “noevelle/new” edition contained revisions and more notes, making it the more widely used edition. Below is an image of the title page from the 1808 edition of his Traité de la Résolution des Equations Numérique de tous les degrés. Lagrange contributed to several branches of mathematics, including the beginnings of abstract algebra. Joseph-Louis Lagrange (1736–1813) was born Giuseppe Lodovico Lagrangia in Turin, in what is now northern Italy. ![]()
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