Jules Tannery (24 March 1848 – 11 December 1910) was a French mathematician, who notably studied under Charles Hermite and was the PhD advisor of Jacques Hadamard. Tannery's theorem on interchange of limits and series is named after him. He was a brother of the mathematician and historian of science Paul Tannery.
Under Hermite, he received a doctorate in 1874 for his thesis Propriétés des intégrales des équations différentielles linéaires à coefficients variables.
Tannery was an advocate for mathematics education, particular as a means to train children in logical consequence through synthetic geometry and mathematical proofs.Tannery discovered a surface of the fourth order of which all the geodesic lines are algebraic. He was not an inventor, however, but essentially a critic and methodologist. He once remarked, "Mathematicians are so used to their symbols and have so much fun playing with them, that it is sometimes necessary to take their toys away from them in order to oblige them to think."
He notably influenced Pierre Duhem, Paul Painlevé, Jules Drach, and Émile Borel to take up science.
His efforts were mainly directed to the study of the mathematical foundations and of the philosophical ideas implied in mathematical thinking.
Tannery was "an original thinker, a successful teacher, and a writer endowed with an unusually clear, brilliant and attractive style."
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Some of their strengths
Jules Tannery has many admirable traits.
Based on spiritual traditions from around the world, they are someone who can be described as Energetic, Brave, Honest, Generous, Caring, Inventive, and Clever.
Independent and Brave
According to Mysticism’s Astrology tradition, Jules Tannery is someone who is an independent, brave, and honest person who approaches life with energy, intuition, passion, and generosity. A person who is ambitious and motivated.
Strong and Resilient
Based on Daoism’s Ba-Zi or ‘Chinese Zodiac’ tradition, people who know Jules Tannery well know them as someone who can be strong, expansive, and stable like a big tree.
Inventive and Clever
According to Hinduism’s Jyotisha or ‘Vedic Astrology’ tradition, many would also describe Jules Tannery as someone who is flexible, intelligent, and quick-witted.
A person who likes to be creative, and to be recognized for their artistic talents. Who possesses intelligence, mental discipline, and ambition, and who does well in relationships and partnerships.
Easygoing and Energetic
Based on the Mayan Tzolk’in or ‘Mayan Astrology’ tradition, Jules Tannery is someone who has an easygoing nature and a healthy sense of humor, with a mind that requires constant stimulation in order to feel fulfilled.
They are also someone who is patient, assertive, and who is a natural leader that likes to help others in need.
Independent and Dynamic
According to Judaism’s Kabbalah tradition, Jules Tannery tends to be someone who is independent, dynamic, and courageous. Who can be positive, energetic, self-reliant, and adventurous, and who can make friends easily.
Some of Jules Tannery's challenges
While Jules Tannery has many strengths, nobody is perfect. They also have some challenging traits they need to manage.
For example, Jules Tannery can be Pleasure-seeking, Short-tempered, Impulsive, Complicated, Brusque, Emotional, and Standoffish.
Short-tempered and Impulsive
One of Jules Tannery's key challenges is that they are someone who can come across as short-tempered and impulsive.
Jules Tannery must also exercise caution as they can be excessive and unrealistic.
Unfocused and Indecisive
Jules Tannery is someone who can be scattered, restless, and insensitive, be distracted by fluctuating professional interests, be a workaholic, and who can be arrogant and have difficulty accepting advice.
Aggressive and Domineering
Finally, Jules Tannery also can be aggressive, impatient, impulsive, and short-tempered.