Free University Berlin - Germany
Author Profile
ORCID
🔍 Early academic pursuits
Heinrich gottfried werner begehr his academic path began with an enduring interest in mathematics, leading to a diploma (dipl. math.) in 1966 from the free university (fu) of berlin. his doctoral research, completed in 1968 under the supervision of alexander dinghas, focused on der beitrag zum satz von picard-borel-nevanlinna auf riemannschen flächen, marking his early commitment to complex analysis. he followed up with his habilitation in 1970, with a thesis on the wertverteilung approximativ analytischer funktionen, establishing a foundation for his lifelong research trajectory.
🧑🏫 Professional endeavors
Begehr's professional career has been closely associated with the free university of berlin, where he started as an assistant in 1966, progressed to a tenured assistant in 1969, and became an associate professor in 1970. from 1972 to 2004, he served multiple terms as director of the first mathematics institute at fu berlin. beyond his academic base, begehr contributed significantly as a guest professor in numerous institutions worldwide including universities in the usa, china, japan, poland, kazakhstan, and russia. his commitment to international collaboration led to long-standing educational exchanges and research development, with emerging themes that indirectly intersect with mathematical foundations applicable in power electronics and computational modeling.
📘 Contributions and research focus
Heinrich Begehr has specialized in complex analysis, elliptic equations, and applied mathematical analysis. his research has consistently bridged theoretical and applied domains, with notable relevance in systems that resemble signal processing and modeling structures, often seen in modern power electronics. his influence extends to analytical functions, approximation theory, and Mathematics differential equations, laying mathematical groundwork with practical applications in scientific computing. his editorial work and mentorship have promoted interdisciplinary approaches that inform both theoretical and engineering contexts.
🌍 Impact and influence
Through his editorships and board memberships in over 20 mathematical journals, including complex variables and elliptic equations and advances in pure and applied mathematics, begehr has Mathematics shaped the direction of global mathematical research. he was a founding leader in the international society for analysis, its applications and computation (isaac), serving as president, secretary, and treasurer for over two decades. the society became a platform fostering collaboration in areas such as mathematical analysis and its intersections with physical sciences—including areas like power electronics where computational accuracy and modeling are critical. he also held several leadership roles within the berlin mathematical society.
🏛️ Academic sites and affiliations
Heinrich Begehr is a member of multiple prestigious academies, including the russian academy of natural sciences (armenian branch, since 2002) and the european academy of sciences (since 2004). his official academic profiles are accessible through isaac’s homepage and fu berlin’s departmental site. he maintains visibility through a long-standing presence in the orcid registry, Mathematics marking his scholarly contributions and collaborations.
🧾 Legacy and future contributions
Even after his retirement in 2004, begehr continues to influence the mathematical community through editorial leadership, global academic visits, and as a guiding figure in complex analysis. his structured approach to mathematical theory serves as a pedagogical model for future researchers. the cross-disciplinary reach of his work, especially where mathematics underpins evolving fields like signal systems, electrical circuit theory, and power electronics, ensures his contributions remain impactful. future generations of mathematicians and engineers will continue to draw upon his theoretical constructs and commitment to global scholarly exchange.
Notable Publications
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Title: Hyperbolic tessellation: harmonic Green function for a Schweikart triangle in hyperbolic geometry
Author(s): Heinrich Begehr
Journal: Complex Variables and Elliptic Equations
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Title: A Neumann problem for the polyanalytic operator in planar domains with harmonic Green function
Author(s): Mohamed Akel, Heinrich Begehr, Alip Mohammed
Journal: Applicable Analysis
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Title: A pair of rational double sequences
Author(s): Serik Altynbek, Heinrich Begehr
Journal: Georgian Mathematical Journal
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Title: One Century since Bergman, Szegö and Bochner
Author(s): Heinrich Begehr, Saburo Saitoh
Journal: International Journal of Reproducing Kernels
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Title: 1, 2, 3, 1,2,3, some inductive real sequences and a beautiful algebraic pattern
Author(s): Sarsengali Abdygalievich Abdymanapov, Serik Altynbek, Anton Begehr, Heinrich Begehr
Journal: Analysis