In PHILADELPHIA, PA, Marsha Berger, affiliated with New York University and the Flatiron Institute, has been awarded the prestigious 2025 John von Neumann Prize by the Society for Industrial and Applied Mathematics (SIAM). This honor recognizes her significant contributions to developing adaptive mesh refinement and embedded boundary methods for partial differential equations (PDEs).

Berger's influential research in adaptive mesh refinement and embedded boundary methods has been crucial across various scientific and engineering fields, including aerodynamics, astrophysics, cosmology, plasma physics, subsurface flow, engine design, and tsunami modeling. Her work has advanced method development and theoretical stability, creating efficient software for serial and parallel supercomputing systems.

As part of the award, Berger will deliver the flagship lecture at the upcoming SIAM/CAIMS Annual Meetings 2025 (AN25), scheduled for July 28 to August 1, 2025, in Montréal, Québec, Canada. This esteemed prize is awarded annually to an individual who has made outstanding contributions to applied mathematics and successfully communicated these ideas to the scientific community.

In expressing her gratitude for this prestigious recognition, Berger emphasized the importance of her work being instrumental and beneficial to others. She earned her Ph.D. from Stanford University in 1982 and has had a distinguished career as a computer science and mathematics professor at New York University's Courant Institute of Mathematical Sciences. After retiring from NYU in 2022, she became a senior research scientist at the Center for Computational Mathematics at the Flatiron Institute.

Berger's impactful research extends beyond academia, with practical applications in weather prediction, aircraft design, and tsunami simulations for disaster management in earthquake-prone regions. Her commitment to advancing computational fluid dynamics, mainly through adaptive mesh refinement techniques, highlights the essential role of numerical tools in addressing societal challenges.

For over four decades, Berger has been an active member of SIAM, contributing significantly through her involvement in various committees and editorial boards. Her dedication to bridging the fields of computer science and mathematics has been instrumental in shaping the intersection of these disciplines and facilitating innovative advancements in computational mathematics.

Established in 1959, the John von Neumann Prize honors the legacy of John von Neumann, a prominent mathematician, physicist, and computer scientist whose pioneering work laid the foundation for modern computing. Berger's receipt of this esteemed award further solidifies her status as a leading figure in applied mathematics and computational science.

In acknowledging Berger's groundbreaking contributions, the scientific community celebrates her personal achievements and the substantial impact of her research in enhancing the understanding and application of computational methods across diverse fields. This recognition emphasizes the critical role of mathematics in addressing complex challenges in our increasingly interconnected world.

Recent research from the Institute for Basic Science in Korea has utilized advanced supercomputer simulations to investigate the impact of climate change on global wildfire patterns. The simulations reveal that rising temperatures and changes in vegetation and humidity are driving an increase in wildfire intensity worldwide. Interestingly, the role of lightning as an ignition source is minimal compared to these environmental changes. This breakthrough enhances our understanding of future wildfire risks, aiding in better prediction and management strategies.

The study's findings indicate a concerning scenario where increasing greenhouse gas emissions are projected to increase global lightning frequency by approximately 1.6% for each degree Celsius of global warming. This increase in lightning activity could heighten wildfire occurrences in regions such as the eastern United States, Kenya, Uganda, and Argentina. However, while lightning contributes to wildfire ignition, the primary factors driving the expanding area burned each year are shifts in global humidity and accelerated vegetation growth, fueling wildfires.

Dr. Vincent Verjans, the study's lead author, warns that global warming has significant effects on ecosystems, infrastructure, and human health. Each degree of warming is estimated to increase the global mean area burned by wildfires annually by 14%. The study identifies regions such as southern and central equatorial Africa, Madagascar, Australia, and parts of the Mediterranean and western North America as the most vulnerable to intensified fires due to climate change.

Furthermore, the study highlights the cascading effects of increased wildfires on air pollution and sunlight penetration. As smoke plumes from wildfires grow, they contribute to regional temperature changes. The authors note that while the new supercomputer model simulations account for the direct aerosol effects of wildfires, further research is needed to fully understand how fires may impact cloud formation and subsequent surface temperatures.

While this study provides crucial insights into the complex interactions between climate change, lightning, and wildfires, it also emphasizes the urgency of addressing key aspects that require deeper examination. For instance, the researchers express concerns about the potential underestimation of future Arctic wildfire risks in current climate models and the implications for aerosol release and air quality.

The study calls for action to confront the growing threat of intensifying wildfires in a warming world and emphasizes the need for comprehensive earth system models to understand better and mitigate the far-reaching impacts of wildfires on our planet.

UK scientists unravel the mystery behind low-field magnetars

A groundbreaking study led by an international team of researchers has revealed the long-sought mechanism behind the formation of low-field magnetars—neutron stars with incredibly powerful yet comparatively weaker magnetic fields than their highly magnetized counterparts.

The team modeled the magneto-thermal evolution of neutron stars using advanced numerical simulations. Their findings highlight the Tayler-Spruit dynamo, triggered by the fallback of supernova material, as a crucial factor in the development of these magnetic fields. This discovery resolves a decade-old puzzle that has intrigued astrophysicists since identifying low-field magnetars in 2010.

Decoding the magnetic marvels of the Universe

Dr. Andrei Igoshev, the lead author and a research fellow at Newcastle University's School of Mathematics, Statistics, and Physics, emphasized the significance of this discovery:

"Neutron stars are born from supernova explosions. While most of the outer layers of a massive star are expelled during the explosion, some material falls back onto the newly formed neutron star, causing it to spin faster. Our study demonstrates that this process is fundamental in generating magnetic fields through the Tayler-Spruit dynamo mechanism. Although this mechanism was theorized nearly 25 years ago, we have only now been able to reproduce it using computer simulations. The magnetic field generated this way is incredibly complex, with an internal field much stronger than we observe externally."

Magnetars are known for their astonishingly strong magnetic fields, which can be hundreds of trillions more potent than Earth's. These intense fields make magnetars some of the brightest and most variable X-ray radiation sources in the Universe. Surprisingly, some neutron stars with significantly weaker magnetic fields exhibit similar X-ray emissions, classifying them as low-field magnetars. This study provides the most apparent evidence that a dynamo process—where the movement of plasma generates magnetic fields—can explain their formation.

Supercomputer simulations and the future of neutron star research

This discovery not only answers a long-standing question in astrophysics but also paves the way for future research into the intricate nature of neutron star magnetism. Dr. Igoshev is leading the establishment of a new research group at Newcastle University dedicated to further exploring these fascinating cosmic objects. By harnessing the power of supercomputer simulations, his team aims to investigate the hidden mechanisms that govern the life cycles of neutron stars.

"The universe is full of mysteries waiting to be unraveled," Dr. Igoshev noted. "With advanced simulations and innovative research, we are one step closer to understanding the incredible forces shaping the cosmos."

This breakthrough highlights the power of collaboration and cutting-edge technology in unveiling the secrets of the Universe, inspiring the next generation of scientists to push the boundaries of astrophysical exploration.

EXTOLL, a leader in high-speed, ultra-low-power SerDes and chiplet connectivity, has been selected as a key SerDes IP partner by BeammWave for its upcoming communication ASIC development. This collaboration utilizes GlobalFoundries' (GF) 22nm FD-SOI process technology, 22FDX, to create advanced solutions for mmWave 5G/6G digital beamforming.

The partnership underscores EXTOLL's expertise in ultra-low-power design, ensuring energy-efficient, high-performance chiplet-based solutions to meet the increasing demand for multi-lane connectivity. EXTOLL's SerDes IP core supports data transmission speeds of up to 32 Gbps per lane and is compatible with GF's 22FDX, 12LP, and 12LP+ platforms.

Advancing 5G/6G with energy-efficient solutions

Dirk Wieberneit, CEO of EXTOLL, highlighted the importance of this collaboration, stating, "This partnership showcases EXTOLL's strength in ultra-low-power design, particularly on GF's 22FDX process technology, enabling future communication innovations. We are honored to partner with BeammWave in shaping the future of digital beamforming technology."

GlobalFoundries' 22FDX technology is renowned for superior RF/mixed-signal performance, power efficiency, and system-on-chip (SoC) integration. It provides an ideal foundation for next-generation beamforming applications, where power efficiency and high-speed connectivity are crucial.

Industry leaders applaud the collaboration

Per-Olof Brandt, BeammWave's Chief Technology Officer, expressed enthusiasm for the partnership: "We are thrilled to collaborate with EXTOLL on their industry-leading Very Short Reach SerDes technology in 22nm. Their ongoing innovation in this area allows us to deliver best-in-class power and performance for our ambitious mmWave 5G/6G products."

Ziv Hammer, Senior Vice President of Design Platforms and Services at GlobalFoundries, emphasized the growing market demand for 22FDX technology and the impact of EXTOLL's innovations: "As demand for beamforming applications increases, we are excited to see our IP partner EXTOLL continue to innovate on this technology node. Their ultra-low-power interconnect solutions enable next-generation chiplet technologies, reinforcing our commitment to supporting global connectivity."

Shaping the future of high-speed connectivity

As the demand for high-speed, energy-efficient connectivity grows, the collaboration between EXTOLL, BeammWave, and GlobalFoundries sets a new benchmark in 5G/6G digital beamforming technology. Combining GF's speed technology, EXTOLL's advanced SerDes IP, and BeammWave's expertise in mmWave innovations, this partnership aims to drive the future of ultra-fast, energy-efficient communications.