Ou Ye

Biodata

Feature	Details
Name	Ou Ye (欧叶) 62
Alias(es)	Calculation Princess; Goddess of Numbers; “China Number Theory Princess”; Yezi / Little Yezi 63 71 384 165
Species/Race	Human
Gender	Female
Affiliation	Yanjing University School of Mathematics; SOS Project; Ou Ye’s Computer Science Club 193 631
Occupation/Role	Number theorist; full professor; doctoral advisor; club advisor and principal funder 614 631 640
Status	Alive 723
First Appearance	Chapter 62

Background

Ou Ye attended the private Changlun Middle School and spent much of middle school studying at home, when her health was at its worst. She had been healthy until becoming seriously ill at age ten; the illness left her with a chronic condition, while her mathematical talent emerged afterward 65 176 391.

Her condition is identified as anemia with immune-system complications. It limits her stamina, appetite, and ability to sustain high-intensity research; she later undergoes a clinical trial for R-type anemia 197 615 653 679.

She is the only child of Old Ou, a former field-army soldier who later works as a science-program planner, and Aunt Ye, the financially dominant leader of a sizable real-estate company. Although raised in wealth, Ou Ye remains notably low-key and uninterested in material status 165 262.

Appearance

Ou Ye is a slender woman with long, straight black hair, exceptionally pale skin, delicate features, slightly sunken eye sockets, thin lips, and a vivid red-purple lip color. Her appearance is often compared to a dark fairy-tale figure because of her pallor and reserved expression 62.

• Around 1.67–1.68 meters tall; she weighed 87 jin during her first year at Yanjing University 116.
• Usually wears her hair loose or in a ponytail; when her hair obscures her face at night, Shen Qi compares her to a character from a horror film 116 126.
• Has faint dimples when she smiles, an expression she rarely shows openly 135.
• Her chronic illness later leaves her visibly emaciated, with dry, lusterless hair during hospitalization 660.

Personality

Ou Ye is quiet, emotionally restrained, and initially communicates in short replies such as “Oh” or “Mm.” She struggles to make eye contact with strangers and is implied to have social anxiety; she is considerably more natural around Shen Qi and a few trusted people 65 72 172.

She is highly self-conscious about her weak verbal expression and later receives regular speaking practice from Shen Qi. Though initially unable to sustain even a two-minute self-introduction, she develops the confidence to defend complex research before expert examiners and to accept public academic invitations 169 377 688.

Beneath her distant professional demeanor, Ou Ye is compassionate and loyal. She supports Shen Qi’s research with sustained, demanding work, funds student activities, and quietly lends money to her doctoral student Xiao Huang when his family faces hardship 185 631 615.

Her illness and Shen Qi’s broad accomplishments sometimes make her feel inadequate as a wife, mother, teacher, and researcher. Nevertheless, she remains stubbornly committed to mathematics and to proving her own worth through original work 640.

Abilities & Skills

Mental Calculation and Memory

Ou Ye possesses extraordinary numerical sensitivity, calculation speed, and short-term memory.

• Raised her hand slightly ahead of Shen Qi to correctly determine a Fight the Landlord result within a five-second response window 62.
• Mentally calculated the individual prices of horses, cows, and sheep before the other Math Camp trainees, reaching 20 points on the scoreboard 63.
• Memorized and recited 90 numbers in 35 seconds, then correctly recited a 70-number sequence backward 71 72.
• Ranked fifth in the Golden Autumn Math Camp with 182 points; instructors described her calculation and rapid-calculation abilities as exceptionally strong 66.
• Her early weakness was abstract mathematical comprehension: her Math Camp score came entirely from near-pure numerical calculations, and she struggled with concepts such as matrices and topology 65 136.

Number Theory

Number Theory is Ou Ye’s primary mathematical field and the discipline for which she becomes internationally known.

• Instructor Qian Fang identified Number Theory as her likely best direction after observing her sharply uneven but exceptional skill profile 66.
• Her later expertise surpasses both Xu Yang and Zhou Yu'an within Number Theory, even though they exceed her in algebraic geometry, differential geometry, and partial differential equations 575.
• Her work on the Strong BSD Conjecture organizes the proof into successive hypotheses, calculations, and proofs; a crucial late step uses group theory to establish the rank of an elliptic curve 640 662.
• She completes the proof while hospitalized, and her team’s published work is subsequently validated by major mathematicians and confirmed by the International Mathematical Union 676 691 693.

Research and Academic Writing

Ou Ye is a fast and dependable research collaborator, especially when a project requires extensive calculations or a clearly defined mathematical framework.

• She completed the basic calculations for the first section of the confidential SOS Project, providing data required for Shen Qi’s later analysis of bipolar non-isentropic Euler–Poisson equations 185 190 193.
• She had already published a core-journal paper in the Journal of Algebra as a first-year student 169.
• By the time Shen Qi introduced her to his father, she had research experience across the top four international mathematics journals, SCI work through the SOS project, and a co-authorship on the Wash Conjecture proof 241.
• Her doctoral thesis, Proof of the Yesmanovich Conjecture, withstands hostile examination questions during her defense 377.

Teaching and Mentorship

Ou Ye teaches through a concise, iterative approach: hypothesize, calculate, prove, then use the resulting conclusion to form the next hypothesis 640.

• Manages Yanjing University’s Number Theory research office in Director Wang’s absence 614.
• Advises Zhao Tian, Xiao Yun, Zeng Han, and Xiao Huang; she entrusts the former group with computer verification of her BSD manuscript 662.
• Personally begins Nuofei’s home mathematics education, identifying her daughter’s strong numerical intuition while building her geometric foundation 616.
• Serves as advisor and major funder of Ou Ye’s Computer Science Club, which operates from the School of Mathematics and supports students interested in advanced mathematical problems 631.

Academic Career

Milestone	Details
Golden Autumn Math Camp	Introduced as the camp’s only female trainee. Her rapid calculations and memory establish her as a leading participant despite weaker abstract reasoning 62 63 66.
Yanjing University undergraduate study	Enters the Mathematics Department as its only female student and becomes one of its strongest students, academically second only to Shen Qi 116 187.
SOS Project	Works with Shen Qi and Sun Erxiong on the SOS Project, handling the large-scale foundational calculations needed for the team’s Euler–Poisson research 185 193.
Study abroad and doctoral work	Studies in the United States, is associated with Columbia University, and later completes a Princeton PhD under Lyndon Strauss 260 377 382.
Doctoral defense	Defends Proof of the Yesmanovich Conjecture through a five-minute, 101-slide presentation and a detailed rebuttal of Professor Hanks’ challenge 377.
Yanjing University professorship	Returns to China, works as a full professor in Number Theory, and takes responsibility for research-office and student matters 614 640.
Strong BSD Conjecture	Completes and publishes a proof of the Strong BSD Conjecture; international verification and IMU confirmation establish the result as valid 676 691 693.

Story Role / Major Arcs

• Math Camp rival and “Calculation Princess” — Ou Ye first meets Shen Qi as a quiet Math Camp trainee whose reaction speed rivals his own. Their early connection is built on numerical challenges, study sessions, and Shen Qi’s curiosity about her unusual abilities 62 63 126.
• University collaborator — At Yanjing University, Shen Qi helps her attend classes and improve her verbal expression, while she becomes his indispensable calculation assistant on the SOS Project 116 169 185.
• Health crisis — Her overwork leads to collapse and hospitalization. Shen Qi learns of her anemia, while Old Ou accuses him of treating her as a research tool and takes her home to recover 196 197.
• Romantic relationship and study abroad — Ou Ye gradually recognizes her feelings for Shen Qi, maintains contact during recovery, and follows him to the United States to continue her studies. They formally confess their love and become a couple 191 202 235 260.
• Marriage and family — Shen Qi proposes to her, and they later marry and have a daughter, Shen Nuofei. Ou Ye becomes increasingly involved in family decisions, including naming their child and considering the inheritance of her mother’s business interests 423 463 482.
• BSD Conjecture breakthrough — Despite deteriorating health and academic pressure from competing work, Ou Ye completes her proof of the Strong BSD Conjecture. The result earns worldwide recognition and transforms her from a reclusive researcher into a major figure in Number Theory 668 679 693.

Relationships

• Shen Qi — Classmate, research collaborator, boyfriend, and later husband. Their relationship develops from Math Camp rivalry into mutual academic support and marriage 62 185 235 471.
• Old Ou — Father; a former field-army soldier and fiercely protective parent. He initially distrusts Shen Qi after Ou Ye’s hospitalization but later accepts him as his prospective son-in-law 165 197 423.
• Aunt Ye — Mother; a wealthy real-estate executive who controls the family finances and supports Ou Ye’s overseas study and medical needs 261 262.
• Shen Nuofei — Daughter. Ou Ye is affectionate and attentive toward her health, education, and personal development 615 616.
• Sun Erxiong — Mentor and SOS Project leader who recognizes Ou Ye’s Number Theory potential and guides her early research career 66 193.
• Lyndon Strauss — Princeton doctoral advisor and Number Theory mentor; he later helps verify her BSD manuscript 376 679.
• Gong Changwei — Advisor whose prior contributions narrow the verification conditions for Ou Ye’s BSD work 662 679.
• Zhou Yu'an — Mathematics classmate and occasional confidant. He recognizes Ou Ye’s feelings for Shen Qi and offers her impractical but earnest relationship advice 191 192.
• Zhao Tian, Xiao Yun, and Zeng Han — Students and members of her BSD research group, tasked with organizing and computer-verifying her manuscript 631 662.
• Xiao Huang — Doctoral student. Ou Ye quietly lends him money for his family’s expenses and redirects him toward completing his research 614 615.
• Cuiping — Longtime caretaker and trusted confidante who has looked after Ou Ye since childhood 452 480.

Trivia

• Ou Ye introduces her name as “Ou from Euler, Ye from Fourier,” while the name also combines her parents’ surnames, Ou and Ye 62 261.
• She is a Virgo with AB blood type and enjoys chess 169.
• Despite her ghostlike appearance and quietness, she enjoys horror films far more than Shen Qi does 176.
• She is not naturally expressive in speech but is exceptionally fast at writing academic papers 136.
• The Springer Math Chronicle refers to her as the “China Number Theory Princess” 384.