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An abstract approach to Marcinkiewicz-Zygmund inequalities for approximation and quadrature in modulation spaces

Martin Ehler and Karlheinz Gröchenig
Math. Comp. 93 (), 2885-2919.
Abstract, references and article information





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Identifying the source term in the potential equation with weighted sparsity regularization

Ole Løseth Elvetun and Bjørn Fredrik Nielsen
Math. Comp. 93 (), 2811-2836.
Abstract, references and article information




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From geodesic extrapolation to a variational BDF2 scheme for Wasserstein gradient flows

Thomas O. Gallouët, Andrea Natale and Gabriele Todeschi
Math. Comp. 93 (), 2769-2810.
Abstract, references and article information





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Cracking Open Black Boxes

Algorithms can be very useful, but lately, with so much data being created and shared, and with the increase in their use in critical areas such as hiring, credit, and health care, algorithms are under intense scrutiny about their fairness. People experience the effects of an algorithm's conclusion, but the data and steps that form the basis for that conclusion are frequently hidden from them (as if inside a black box). Cathy O'Neil talks about the unfairness of most predictive algorithms.




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Describing Dryland Vegetation Patterns

Math is often described as the science of patterns, which makes it a natural subject to help in the study of the underlying causes of patterns found in nature, for example, bands of vegetation that often occur on gently sloped terrains in certain near-desert ecosystems worldwide. We are starting to learn more about these bands' common properties by using mathematical models built on data, such as rainfall totals and the curvature of the terrain. Mary Silber talks about these mathematical models of vegetation bands.




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Taking the "Temperature" of Languages

Ricardo Bermudez-Otero and Tobias Galla discuss the mathematics describing the evolution of human languages. The sounds and structures of the world's approximately 7,000 languages never stop changing. Just compare the English in Romeo and Juliet or the Spanish in Don Quixote to the modern forms. But historical records give an incomplete view of language evolution. Increasingly, linguists draw upon mathematical models to figure out which features of a language change often and which ones change more rarely over the course of thousands of years. A new model inspired by physics assigns a "temperature" to many sounds and grammatical structures. Features with higher temperatures are less stable, so they change more often as time goes on. The linguistic thermometer will help researchers reconstruct how our languages came to be, and how they might change in future generations.




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Explaining Wildfires Through Curvature

Dr. Valentina Wheeler of University of Wollongong, Australia, shares how her work influences efforts to understand wildfires and red blood cells. In Australia, where bushfires are a concern year-round, researchers have long tried to model these wildfires, hoping to learn information that can help with firefighting policy. Mathematician Valentina Wheeler and colleagues began studying a particularly dangerous phenomenon: When two wildfires meet, they create a new, V-shaped fire whose pointed tip races along to catch up with the two branches of the V, moving faster than either of the fires alone. This is exactly what happens in a mathematical process known as mean curvature flow. Mean curvature flow is a process in which a shape smooths out its boundaries over time. Just as with wildfires, pointed corners and sharp bumps will change the fastest.







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????????-duality for self-similar groupoid actions on graphs

Nathan Brownlowe, Alcides Buss, Daniel Gonçalves, Jeremy B. Hume, Aidan Sims and Michael F. Whittaker
Trans. Amer. Math. Soc. 377 (), 5513-5560.
Abstract, references and article information




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Calafate

seveni.1999 posted a photo:




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Calafate

seveni.1999 posted a photo:




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LEGO Classic Space: the robot final rebellion on the capital planet ousts the federation rule and replace with a techno republic and dictatorship (the final episode (for a while)) (AFOL toy hobby photography with droids, police and minifigures city MOC

dannyhennesy posted a photo:

On the Capital planet the rebellious droids had followed maily the Bat-Bot, but as time progressed his circuits had gone all mushy at 780 years or so without maintenance…

Several splinter groups all with their local bot leaders emerged such as the Che-bot, the traffic-light-robot and the Butt-bot, but none of these collected enough sentient circuits to call themselves a popular (or Animata) mass movement!

That was until a cyborg came along, one known as Jones, a long time prisoner and terrorist, his easy solutions to every problem rang well in the masses' auditory circuits!!!

His slogans and simple rhetoric were simple enough for the simple traffic-light to comprehend and cheer!

His language was full of hate towards the organics and especially the humans who were the most common races among the ruling class of the federation!!!

Despite being a “Fleshie” himself his message collected the angry enslaved
bot community by only weeks all rebellious robots except for a few fringe loonies had forgotten the old leaders…

One morning at Jones gave the signal…

All over the capital planet hordes and swarms of any form of mechanical sentient beings attacked first the police stations, then the Company boards running the planet and the federation as well as their starfleet…

Many died, especially the low level police and army! Many mechanicals died too, but their ranks were soon filled by Mutant fleshie allies of the lower levels who hated the Federation feudal society and upper classes as much as their technological allies…

The Federation state apparatus and ruling class, most of their fleet army fled when they knew the game was up, they activated the emergency escape plan and whole city blocks with important factories, administrational units, valuable assets and so on separated from the capital by hidden rocket engines and homed in their course to Mars…

On Mars the federation regrouped and formed their new society…

On the Capital planet, the robots proclaimed the first Techno-republic of the advanced inorganic civilization, the low level fleshies left behind, became slaves and their mutant allies got to rule their own minute chiefdoms as protectorates under the Techno-republic…

Jones was now the undisputed ruler of the capital planet, but the victory was a pyrros one since, all important buildings, all of value was now one Mars!

But as Jones put it:

Our proud race the Techno-species didn’t need the Fleshies administration, their infrastructure, their spaceships…

We shall start from scratch, with a new administration, a new order, every droid shall work at 4x speed than they did during human oppression since now we are free and the fleshies shall work twice as hard than the Techno-Race, until we have breed enough new fleshies so they can do all work!

Our future is bright and shiny like glistering shiny metal!

The snapshot seen here is from the first police station attacked in sector 45-34v-ss-g the first one to fall according to official techno-history!

———————————————/
Designers note:

I am sad to say that this is the last episode in this years-spanning space series… At least for a while, I will still post LEGO hobby stuff here but without a storyline, perhaps small designs and builds… and occasionally a story when I feel like it!!!

I would like to thank all who had been in this journey of our heros, but it has taken far to much time and effort and since the state of the world is as it is, I am spiraling down in another depression, I must stop it before I reach the abyss, so I have remove some stress out of my equation… I ended it in a cliffhanger so I can easily restart it when my mental health improves… I hope that won’t be forever???

I would love if someone used my characters or ideas, please send me a link if you do, I would love to read it or look at it!!!

But there will be more Lego, just in different format without long stories, I need to focus more on my art and to be honest that is the only time the mental pain eases, when I create!!!


Peace and Noise!

MushroomBrain a FOL




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Tekno - The Irish Collection - Ref. 258 - Scania Articulated Truck - Glynns, Galway - Miniature Diecast Metal Scale Model Heavy Goods Vehicle

firehouse.ie posted a photo:




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Tekno - The Irish Collection - Ref. 258 - Scania Articulated Truck - Glynns, Galway - Miniature Diecast Metal Scale Model Heavy Goods Vehicle

firehouse.ie posted a photo:




la

On Lamperti transformation and AR(1) type characterisations of discrete random fields

Marko Voutilainen, Lauri Viitasaari and Pauliina Ilmonen
Theor. Probability and Math. Statist. 111 (), 181-197.
Abstract, references and article information





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Strong laws of large numbers for weighted sums of ????-dimensional arrays of random variables and applications to marked point processes

Ta Cong Son, Tran Manh Cuong, Le Quang Dung and Le Van Dung
Theor. Probability and Math. Statist. 111 (), 153-165.
Abstract, references and article information




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Large deviations for perturbed Gaussian processes and logarithmic asymptotic estimates for some exit probabilities

Claudio Macci and Barbara Pacchiarotti
Theor. Probability and Math. Statist. 111 (), 21-43.
Abstract, references and article information









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Even singular integral operators that are well behaved on a purely unrectifiable set

Benjamin Jaye and Manasa N. Vempati
Proc. Amer. Math. Soc. 152 (), 5105-5116.
Abstract, references and article information





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On Rankin-Cohen brackets of Hecke eigenforms and modular forms of half-integral weight

YoungJu Choie, Winfried Kohnen and Yichao Zhang
Proc. Amer. Math. Soc. 152 (), 5025-5037.
Abstract, references and article information






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Transmitting Data with Polar Codes





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AMS Names 2025 Class of Fellows

Forty-one mathematical scientists from around the world have been named Fellows of the American Mathematical Society (AMS) for 2025, the program's 13th year. View the names and institutions of the full 2025 Class of Fellows.

Recognized by their peers, AMS members designated as Fellows of the AMS have made outstanding contributions to the creation, exposition, advancement, communication, and utilization of mathematics. 

“I am delighted to congratulate the 2025 Class of AMS Fellows, recognized for their outstanding contributions to the mathematical sciences and for their extraordinary service to our profession,” said AMS President Bryna Kra.

“This year’s class was selected from a large and excellent pool of candidates, highlighting the many ways that individuals advance our profession.  I look forward to working with them in service to our community,” Kra said.

The AMS extends thanks to the nominators and members of the selection committee for their help in highlighting the achievements of their colleagues. 

Contact: AMS Programs

Credits: Photo of Benoit Pausader by Lori Nascimento. Photo of Bridget Tenner by Aubreonna Chamberlain/DePaul University. Photo of Ellen Eischen by Andrea Kane. Photo of Francis Su by Francis Su. Photo of Guillermo Cortiñas by Lisi D'Alfonso. Photo of Jianhong Wu by the Faculty of Science at York University. Photo of Matthew Ballard by Jeffrey Davis. Photo of Tom Braden by Jon Crispin.

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The American Mathematical Society is dedicated to advancing research and connecting the diverse global mathematical community through our publications, meetings and conferences, MathSciNet, professional services, advocacy, and awareness programs.




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UC Irvine Wins 2025 AMS Award for an Exemplary Program in a Mathematics Department

The Math Community Educational Outreach (Math CEO) program at the University of California, Irvine (UCI) will receive the 2025 AMS Award for an Exemplary Program or Achievement in a Mathematics Department.

Founded in 2014, UCI’s Math CEO is an after-school math enrichment program aimed at increasing the number of talented students in STEM from diverse backgrounds by fostering mathematical exploration, mentor development, and community engagement.

Participants in the Math CEO program at University of California, Irvine
Credit: Jennifer Tran, Math CEO outreach assistant

From the citation

The University of California, Irvine (UCI) Math CEO program is recognized for its exceptional contributions to the mathematics community and society at large. Established in 2014 by professors Alessandra Pantano and Li-Sheng Tseng, Math CEO targets students from Title I middle schools, providing them with a high-quality after-school math enrichment program. This program brings middle-school students to the UCI campus to work in small groups with undergraduate mentors, many of whom are also from historically marginalized groups, to engage in challenging mathematical tasks and encourage exploration. 

From September 2019 to June 2024, Math CEO engaged a total of 1,221 youth, with 48.6% identifying as female. The ethnic background of the participants was predominantly Latinx (93.5%), with smaller representations of Asian, white, and multiethnic students. In the same five-year period, Math CEO engaged 553 undergraduate mentors, 62.2% of whom were female. The mentors’ ethnic backgrounds were diverse, with significant representation of Asian (52%) and Latinx (30%) students. The undergraduate mentors, many of whom pursue careers in education, receive training in culturally responsive teaching practices and equity in education, significantly impacting their professional development. In a post-survey, 52.3% of the undergraduate mentors expressed interest in teaching or working in education and 45.9% were likely to pursue professions working with children or families.

Recognizing the central role of families in supporting Latinx youth, Math CEO involves parents through bilingual workshops that enhance community awareness of college pathways and financial opportunities. 

Math CEO has been the foundation for numerous research projects in mathematics education, supported by NSF grants, leading to publications and program growth. The program’s success is evident in its expansion to high schools and other regions in Southern California, including a new branch at California State University, Dominguez Hills. Math CEO continues to make a substantial impact on underserved youth, demonstrating a model of systemic, reproducible change that can be implemented by others.

Response of Alessandra Pantano, UCI Math CEO

I am deeply honored to receive the AMS Award for an Exemplary Program in a Mathematics Department on behalf of the UCI Math CEO team. This wonderful award recognizes the work of many colleagues, graduate students, and undergraduate students in developing and delivering the UCI Math Community Educational Outreach (Math CEO) program. For over a decade, Math CEO has provided creative and culturally responsive math enrichment opportunities for hundreds of underprivileged middle-school students, many of which have since “graduated” to high school or even college. Leading this exceptional and dedicated team of volunteers has been the highest pride of my professional life. A special thanks to my partners-in-crime, Prof. Li-Sheng Tseng, codirector of Math CEO, and former graduate student Andres Forero Cuervo, academic coordinator for Math CEO: We could have never done this without you. I look forward to pushing this activity forward and continuing to dedicate my energy to help kids in our county find the way to express their potential – in math and in life! A big thanks to the colleagues who nominated us and to the AMS for recognizing our efforts.  

History of the program

The UC Irvine Math Community Educational Outreach (Math CEO) program was founded in 2014 by math faculty Alessandra Pantano and Li-Sheng Tseng in collaboration with Santa Ana Unified math teacher Jasmina Matasovic. The founders shared a belief that low standardized test scores in underserved communities do not reflect students’ interest and potential to succeed in STEM. Math CEO runs free, weekly, after-school math enrichment sessions, welcoming all youth regardless of math achievement. Starting with only 25 students from one middle school, the program has grown and engaged nearly two thousand students in all, from multiple school districts in Southern California.

About the award

The annual AMS Award for an Exemplary Program or Achievement in a Mathematics Department was established in 2004 and first given in 2006. This award recognizes a department which has distinguished itself by undertaking an unusual or particularly effective program of value to the mathematics community, internally or in relation to the rest of society. Departments of mathematical sciences in North America that offer at least a bachelor’s degree in mathematical sciences are eligible. The award amount is currently $5,000. The award will be presented at the 2025 Joint Mathematics Meetings in Seattle.

Learn more about the award and previous recipients.

Contact: AMS Communications.

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The American Mathematical Society is dedicated to advancing research and connecting the diverse global mathematical community through our publications, meetings and conferences, MathSciNet, professional services, advocacy, and awareness programs.
 




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Analysis-India's middle class tightens its belt, squeezed by food inflation




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2025 Medicare Part B premium increase outpaces both Social Security COLA and inflation




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Still flooded from Milton, Emerald Lakes homeowners wait – and wait




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Warren: Trump transition ‘already breaking the law’




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Jon Stewart Blows Up Key Theory on Why Dems Got ‘Shellacked’




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This powerful, quiet, exhaust-free generator is almost 55% off ahead of Black Friday




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Passenger Sees Worker Unscrewing Plane Part Before Takeoff




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Too many wild deer are roaming England's forests. Can promoting venison to consumers help?




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I’m Retired and Regret Claiming Social Security at 70 — Here’s Why




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Engines on 1.4 million Honda vehicles might fail, so US regulators open an investigation




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Northern California man goes missing after Uber ride from Bay Area to Placer County




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Black Fyah rising above painful mishap

When a scuba diver comes up from the deep too quickly, the rapid decrease in pressure can give them a case of "the bends" or decompression sickness. It is caused by bubbles of gas building up in the body, causing pain. It can also be fatal....




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Genetic diseases of the Kennedy pathways for membrane synthesis [Molecular Bases of Disease]

The two branches of the Kennedy pathways (CDP-choline and CDP-ethanolamine) are the predominant pathways responsible for the synthesis of the most abundant phospholipids, phosphatidylcholine and phosphatidylethanolamine, respectively, in mammalian membranes. Recently, hereditary diseases associated with single gene mutations in the Kennedy pathways have been identified. Interestingly, genetic diseases within the same pathway vary greatly, ranging from muscular dystrophy to spastic paraplegia to a childhood blinding disorder to bone deformations. Indeed, different point mutations in the same gene (PCYT1; CCTα) result in at least three distinct diseases. In this review, we will summarize and review the genetic diseases associated with mutations in genes of the Kennedy pathway for phospholipid synthesis. These single-gene disorders provide insight, indeed direct genotype-phenotype relationships, into the biological functions of specific enzymes of the Kennedy pathway. We discuss potential mechanisms of how mutations within the same pathway can cause disparate disease.




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A mom’s worst nightmare - East Kingston mother mourns teen son after deadly clash with cops

Kadian Morgan was overwhelmed with grief as she leaned against a wall outside her gate on Jackson Lane, East Kingston, yesterday, tears streaming down her face. Her 19-year-old son, Kayshan 'Bem Bem' Smith, was lying in the morgue after being...