Doctor of Philosophy (PhD)

Doctor of Philosophy (PhD) in Mathematics and Computer Science

This PhD in Mathematics and Computer Science trains students in advanced research methods, preparing them for careers in academia, research, and specialized industry roles.

4 to 7 years
Length
Doctorate
Level
After a master's degree
Entry level
6
Schools
00
Exit level
Doctorate
Length
4 to 7 years
Work-study
Uncommon
Selectivity
Highly selective
Where to study
6 établissements

About

The Doctor of Philosophy (PhD) in Mathematics and Computer Science is a research-focused degree in the United States designed for students who want to deepen their knowledge in these fields and contribute original research. It suits those interested in solving complex problems, developing new theories, or advancing technology. The degree typically leads to careers in universities, research institutions, or high-tech companies where innovation and analytical skills are essential.

  • The PhD combines mathematics and computer science to explore theoretical and applied topics.
  • It is aimed at students with a strong background in these areas who want to pursue independent research.
  • Completing the degree involves producing a doctoral thesis presenting new scientific results.
  • The qualification opens doors to roles such as university professor, research scientist, or specialist in tech companies.
  • The program encourages critical thinking, problem-solving, and technical expertise.

What you study

The PhD program spans several years, usually between four and seven, with a focus on research and advanced study. Early years often include coursework to build a strong foundation, followed by a shift towards independent research and thesis writing.

  • Students study advanced topics like algebra, algorithm design, machine learning, and computational theory.
  • Courses are combined with seminars where students discuss recent research and develop presentation skills.
  • From the second or third year, most time is dedicated to research projects under the guidance of a faculty advisor.
  • Practical work includes programming, simulations, and mathematical modeling.
  • Students prepare and defend a doctoral dissertation that contributes new knowledge.
  • The program encourages collaboration in research groups and participation in conferences.

How to get in

Admission to a PhD program in the US requires a strong academic record and relevant prior studies. Candidates usually hold a master's degree or equivalent in mathematics, computer science, or a related field.

  • Applicants submit transcripts, letters of recommendation, and a statement of purpose explaining their research interests.
  • Many programs require GRE scores and proof of English proficiency for international students.
  • Selection committees look for candidates with a solid foundation in theory and practical skills.
  • Research experience or publications can strengthen an application.
  • Interviews or meetings with potential advisors may be part of the process.

Day to day

A typical year during the PhD involves a mix of coursework, research, and academic activities. The workload varies, becoming more research-focused as students progress.

  • Early years include attending classes and seminars to deepen knowledge.
  • Students spend significant time working on research problems and experiments.
  • Regular meetings with advisors help guide progress and refine research questions.
  • Participation in academic conferences and workshops is common to share findings.
  • Teaching assistantships may be part of the experience, involving helping undergraduate students.

Continuing your studies

After earning a PhD, some graduates continue research through postdoctoral positions or explore interdisciplinary fields. Others may transition into industry leadership roles.

  • Postdoctoral fellowships allow further specialization and research experience.
  • Some pursue additional qualifications in related areas like data science or engineering.
  • Others may shift towards management or entrepreneurship within tech sectors.

Where to study this degree (6)

Chargement de la carte…
George Mason University
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George Mason University
University
📍Fairfax, 🇺🇸 United States
TypeUniversity
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Institution
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California Institute of Technology
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California Institute of Technology
School
📍Pasadena, 🇺🇸 United States
TypeSchool
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Institution
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Louisiana Tech University
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Louisiana Tech University
University
📍Ruston, 🇺🇸 United States
TypeUniversity
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Institution
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University of Minnesota-Twin Cities
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University of Minnesota-Twin Cities
college
📍Minneapolis, 🇺🇸 United States
Typecollege
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Students—
Institution
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San Diego State University
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San Diego State University
University
📍San Diego, 🇺🇸 United States
TypeUniversity
Founded—
Students—
Institution
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Marquette University
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Marquette University
University
📍Milwaukee, 🇺🇸 United States
TypeUniversity
Founded—
Students—
Institution
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Liste des 6 établissements

Frequently asked questions

How long does it typically take to complete this PhD?

The program usually lasts between four and seven years, depending on the research progress and individual circumstances.

What prior education is required to apply?

Applicants generally need a master's degree in mathematics, computer science, or a related field before applying.

Is teaching part of the PhD experience?

Many PhD students work as teaching assistants, helping undergraduate classes, which provides valuable experience.

Are there opportunities to work while studying?

The PhD is mainly research-focused and full-time, so working alongside studies is usually limited.

What kind of research topics can be explored?

Research can cover areas like algorithms, machine learning, computational theory, and mathematical models.

Can this degree lead to jobs outside academia?

Yes, graduates often work in technology companies, research labs, or industries needing advanced analytical skills.

Is the program highly selective?

Admission is very selective, with candidates evaluated on academic records, research potential, and fit with faculty.

Can international students apply?

Yes, international students can apply but must meet English proficiency and visa requirements.