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  Clara was a math teacher at the Women's College of Baltimore.
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  Her main contribution to mathematics was building of structure of algebra.
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  Her area that she studied in was the of projective differential geometry,
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  she worked on the gragh theory especially in the area of chromatic polynomials
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  She worked in the Algebra feild
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  HEr main Interest was algebra and measuring.
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  she was hired at Mills College to teach an algebra class
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  she studied of geometric type of equations and in-equalities and problems in isospectral geometry.
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  Lia-Sang Young focused on the dynamics of attractors.
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  She worked on algebra and found out the wave equation.
