Mathematics

Obituary

Taking Brazilian science worldwide

Mathematician Jacob Palis, former director of IMPA, transformed the institute into a globally renowned research center

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Mathematics

From Kumon classes to first scientific article

Student develops theorem that makes it simple to multiply numbers with repeating digits by nine

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Good practices

The calculating cat

Biologist reveals flaws in academic metrics by attributing fake studies and manipulated citations to his family pet

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OBITUARY

Without fear of contradiction

Newton da Costa earned international recognition for his revolutionary systems in the field of logic

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Obituary

The coordinator

Mathematician Antonio Galves fostered partnerships and contributed to advances in physics, linguistics, and neuroscience

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Mathematics

Algorithm reduces uncertainty in proposition that has challenged mathematicians for nearly 100 years

The work is considered a major breakthrough in the search for a solution to Ramsey's theorem, formulated in 1930

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RESEARCH ITINERARIES

From physics to the environment

Marco Aurélio Nalon talks about the use of data geoprocessing to map native vegetation in the state of São Paulo

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Computer science

Synthetic DNA could be used to store digital data

Device inspired by the molecule that stores our genetic code will lead to the miniaturization of storage media and ensure data integrity for a much longer time

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Good practices

When misconduct goes unpunished

Survey finds that only one in five articles containing errors or suspected misconduct lead to a reaction by the publishing journal

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GENDER

Diversity in mathematics teaching and research

Encouraging LGBT+ students and scientists to get involved in mathematics is the theme of academic events abroad and research projects in Brazil

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ACKNOWLEDGMENT

Ukrainian wins the Fields Medal

Ukraine’s Maryna Viazovska wins the Fields Medal, one of the most prestigious honors in mathematics

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OBITUARY

A pillar of Brazilian mathematics

As well as an internationally renowned theorist, Luiz Adauto da Justa Medeiros was also a dedicated educator

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PHYSICS

The physics of flight

Mathematical model can reproduce the flight behavior of bird flocks

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Acknowledgment

Abel Prize awarded to topology scholar

Mathematician Dennis Parnell Sullivan wins the 2022 Abel Prize

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Pedagogy

Beyond theorems and equations

How theoretical disputes and political conflicts influenced mathematics teaching

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Physics

Connecting two worlds

Study proposes minimum mathematical correction needed to make the theory of relativity compatible with quantum mechanics

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Interview

Marilda Sotomayor: A game thinker

Brazilian mathematician who worked with Nobel Prize-winning economists became a leading specialist in the highly applicable theory of matching markets

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Neuroscience

The archaeology of the mind

Supported by mathematical models, study investigates the development of human thought over thousands of years

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Obituary

Science administrator

Marco Antonio Raupp led and helped establish important research institutions in Brazil

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archaeology

Geometry in ancient Babylon

A 3,600-year-old circular clay tablet made in Ancient Babylon appears to be the earliest record of applied geometry

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NEUROSCIENCE

A statistical brain

Experiment involving structured sequences of sounds and silences corroborates long-held conjecture that the brain uses probabilistic models to anticipate events

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Zoology

The crows and the empty set

With training, carrion crow were able to understand the empty set as a null numerical quantity close to one

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Mathematics

A web of algorithms

Mathematical model simulates how spiders capture vibrations to locate trapped prey

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CAREERS

Modern mining

Trained to interpret huge volumes of information, data scientists have job opportunities in a wide range of sectors

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Math

International spotlight

Two IMPA mathematicians whose research has been recognized abroad may inspire girls who dream of careers in the exact sciences

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Algorithms

Artificial intelligence to help the heart

New computer software could improve the speed and efficiency of heart-disease diagnosis and treatment

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Profile

The living being in the equation

Researcher combines exact and life sciences to measure the SARS-CoV-2 virus's potential to spread

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Cover

The challenge of calculating R

Poor data makes the effective reproduction rate difficult to track and is hampering the pandemic response

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Science olympics

A place for girls in mathematics

A girls-only competition seeks to create a more welcoming environment for female talent in the subject

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Video

Predicting the spread of a disease

Altay de Souza, an epidemiologist and host of the podcast Naruhodo!, explain how the models which predict the coronavirus advance are built

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