Vivek Shende
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Vivek Vijay Shende is an American mathematician known for his work on
algebraic geometry Algebraic geometry is a branch of mathematics which uses abstract algebraic techniques, mainly from commutative algebra, to solve geometry, geometrical problems. Classically, it studies zero of a function, zeros of multivariate polynomials; th ...
,
symplectic geometry Symplectic geometry is a branch of differential geometry and differential topology that studies symplectic manifolds; that is, differentiable manifolds equipped with a closed, nondegenerate 2-form. Symplectic geometry has its origins in the ...
and
quantum computing A quantum computer is a computer that exploits quantum mechanical phenomena. On small scales, physical matter exhibits properties of wave-particle duality, both particles and waves, and quantum computing takes advantage of this behavior using s ...
. He is a professor of Quantum Mathematics at Syddansk Universitet while on leave from
University of California Berkeley The University of California, Berkeley (UC Berkeley, Berkeley, Cal, or California), is a public land-grant research university in Berkeley, California, United States. Founded in 1868 and named after the Anglo-Irish philosopher George Berkeley ...
.


Doctoral studies and early career

Shende defended his Ph.D. dissertation "Hilbert schemes of points on integral plane curves" at
Princeton University Princeton University is a private university, private Ivy League research university in Princeton, New Jersey, United States. Founded in 1746 in Elizabeth, New Jersey, Elizabeth as the College of New Jersey, Princeton is the List of Colonial ...
in 2011 under the supervision of Rahul Pandharipande. From 2011 to 2013, he was a Simons Postdoctoral Fellow at
MIT The Massachusetts Institute of Technology (MIT) is a private research university in Cambridge, Massachusetts, United States. Established in 1861, MIT has played a significant role in the development of many areas of modern technology and sc ...
mentored by
Paul Seidel Paul Seidel (born 30 December 1970) is a Swiss-Italian mathematician specializing in homological mirror symmetry. He is a faculty member at the Massachusetts Institute of Technology. Career Seidel attended Heidelberg University, where he receive ...
. Shende joined Berkeley as an assistant professor in 2013 and became an associate professor in 2019. He supervised at least four doctoral degrees at Berkeley.


Awards and accomplishments

In 2021, after moving to Denmark, Shende received sizable grants intended to support the creation of a new research group. The Danish National Research Foundation awarded Shende its DNRF Chair. The
Villum Foundation The Villum Foundation (); formerly Villum Kann Rasmussen Foundation (''Villum Kann Rasmussen Fonden'') was set up in 1971 by civil engineer Villum Kann Rasmussen (1909–1993). 10 years later, he set up the Velux Foundation (''Velux Fonden''). Rasm ...
funded Shende's research in mathematical aspects of
String theory In physics, string theory is a theoretical framework in which the point-like particles of particle physics are replaced by one-dimensional objects called strings. String theory describes how these strings propagate through space and intera ...
through the Villum Investigator program. This is one of the largest and most prestigious grants for individual researchers in Denmark. As a Berkeley professor, Shende received the
National Science Foundation CAREER Award The National Science Foundation CAREER award is the most prestigious award presented by the National Science Foundation (NSF) of the United States Federal Government to support junior faculty who exemplify the role of teacher-scholars through rese ...
in 2017 and a
Sloan Research Fellowship The Sloan Research Fellowships are awarded annually by the Alfred P. Sloan Foundation since 1955 to "provide support and recognition to early-career scientists and scholars". This program is one of the oldest of its kind in the United States. ...
in Mathematics in 2015. In 2010, Shende proved, together with Martijn Kool and
Richard Thomas Richard Thomas or Dick Thomas may refer to: Arts, entertainment and media * Dick Thomas (singer) (1915–2003), American singing cowboy and actor * Richard Thomas (actor) (born 1951), American actor * Richard Thomas (author) (born 1967), America ...
, the Göttsche conjecture on the universality of formulas counting nodal curves on surfaces, a problem in
algebraic geometry Algebraic geometry is a branch of mathematics which uses abstract algebraic techniques, mainly from commutative algebra, to solve geometry, geometrical problems. Classically, it studies zero of a function, zeros of multivariate polynomials; th ...
whose history stretches back more than a century. During his undergraduate studies at the
University of Michigan The University of Michigan (U-M, U of M, or Michigan) is a public university, public research university in Ann Arbor, Michigan, United States. Founded in 1817, it is the oldest institution of higher education in the state. The University of Mi ...
, he performed computer science research with
Igor L. Markov Igor Leonidovich Markov (born in 1973) is an American professor, computer scientist and engineer. Markov is known for results in quantum computing, quantum computation, work on limits of computation, research on algorithms for optimizing integrat ...
and John P. Hayes. Shende shared in 2004 the
IEEE Donald O. Pederson Award in Solid-State Circuits The IEEE Donald O. Pederson Award in Solid-State Circuits is a Technical Field Award of the Institute of Electrical and Electronics Engineers (IEEE). It was previously called the IEEE Solid-State Circuits Award. In November 2005 the award was ren ...
as the lead author of the work on synthesis of reversible logic circuits. This paper proved the existence of reversible circuits that implement certain permutations and developed algorithms for finding such circuits. Shende was also the lead author of the work on synthesis of
quantum circuit In quantum information theory, a quantum circuit is a model for quantum computation, similar to classical circuits, in which a computation is a sequence of quantum gates, measurements, initializations of qubits to known values, and possibly o ...
s that developed the quantum Shannon decomposition and algorithms for finding asymptotically optimal quantum circuits that implement a given n-
qubit In quantum computing, a qubit () or quantum bit is a basic unit of quantum information—the quantum version of the classic binary bit physically realized with a two-state device. A qubit is a two-state (or two-level) quantum-mechanical syste ...
unitary matrix In linear algebra, an invertible complex square matrix is unitary if its matrix inverse equals its conjugate transpose , that is, if U^* U = UU^* = I, where is the identity matrix. In physics, especially in quantum mechanics, the conjugate ...
, as well as quantum circuits that construct a given n-qubit
quantum state In quantum physics, a quantum state is a mathematical entity that embodies the knowledge of a quantum system. Quantum mechanics specifies the construction, evolution, and measurement of a quantum state. The result is a prediction for the system ...
. Shende obtained formulas and algorithms for implementing smallest possible quantum circuits for 2-qubit unitary matrices. For the 3-qubit Toffoli gate, he proved that six
CNOT In computer science, the controlled NOT gate (also C-NOT or CNOT), controlled-''X'' gate, controlled-bit-flip gate, Feynman gate or controlled Pauli-X is a quantum logic gate that is an essential component in the construction of a gate-based qu ...
gates are necessary in a circuit that implements it, showing that the widely used six-CNOT decomposition is optimal. These publications are highly cited (per
Google Scholar Google Scholar is a freely accessible web search engine that indexes the full text or metadata of Academic publishing, scholarly literature across an array of publishing formats and disciplines. Released in Beta release, beta in November 2004, th ...
) and their results laid the foundation of compilers for
quantum computers A quantum computer is a computer that exploits quantum mechanical phenomena. On small scales, physical matter exhibits properties of both particles and waves, and quantum computing takes advantage of this behavior using specialized hardware. C ...
.


Mathematics education

Shende taught college-level
Calculus Calculus is the mathematics, mathematical study of continuous change, in the same way that geometry is the study of shape, and algebra is the study of generalizations of arithmetic operations. Originally called infinitesimal calculus or "the ...
,
Discrete Mathematics Discrete mathematics is the study of mathematical structures that can be considered "discrete" (in a way analogous to discrete variables, having a bijection with the set of natural numbers) rather than "continuous" (analogously to continuous f ...
as well as
Linear Algebra Linear algebra is the branch of mathematics concerning linear equations such as :a_1x_1+\cdots +a_nx_n=b, linear maps such as :(x_1, \ldots, x_n) \mapsto a_1x_1+\cdots +a_nx_n, and their representations in vector spaces and through matrix (mathemat ...
and Differential Equations courses at Berkeley. In 2021 he cosigned, along with many professional mathematicians, an open letter to Governor
Gavin Newsom Gavin Christopher Newsom ( ; born October 10, 1967) is an American politician and businessman serving since 2019 as the 40th governor of California. A member of the Democratic Party (United States), Democratic Party, he served from 2011 to 201 ...
and other California officials asking to replace the proposed new California Math curriculum framework. The framework was adopted in 2023 despite these objections.


References


External links

* * {{DEFAULTSORT:Shende, Vivek Living people American mathematicians American academics 21st-century Danish mathematicians Year of birth missing (living people) Princeton University alumni