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question:"I'm currently working on a research paper exploring the applications of Gröbner bases in solving systems of polynomial equations with numerical coefficients. I've been using the Buchberger's algorithm for computing Gröbner bases, but I'm encountering stability issues due to numerical errors. Could you help me understand the more numerically stable alternatives to Buchberger's algorithm? Specifically, I'd like to know about the F5 algorithm and any recent advancements in this area. Additionally, could you provide me with some pseudocode or references to efficient implementations of these algorithms in computer algebra systems like Singular, Macaulay2, or SageMath? I'm also interested in understanding how these algorithms can be parallelized for better performance on modern multi-core processors. If you could provide insights into these aspects, it would greatly help advance my research."
answer:To answer this, let me carefully consider the problem of finding more numerically stable alternatives to Buchberger's algorithm for computing Gröbner bases, especially in the context of systems of polynomial equations with numerical coefficients. I need to delve into the specifics of the F5 algorithm and explore recent advancements in this area, including pseudocode and references to efficient implementations in computer algebra systems like Singular, Macaulay2, or SageMath. Additionally, understanding how these algorithms can be parallelized for better performance on modern multi-core processors is crucial. First, let's break down the issue at hand - numerical instability in Buchberger's algorithm. This primarily arises due to the algorithm's sensitivity to the order of polynomials and the method of reducing them, which can lead to significant numerical errors when dealing with polynomials that have numerical coefficients. Wait, let me think about this carefully. The F5 algorithm, introduced by Jean-Charles Faugère, seems like a promising alternative. It's designed to be more efficient and numerically stable than Buchberger's algorithm by using a signature-based criterion to detect and eliminate redundant computations. This approach not only reduces computational overhead but also helps in managing numerical errors more effectively. Now, let me see if I can outline the key features of the F5 algorithm. It appears to have several advantages, including: 1. **Signature-based criterion**: This allows the algorithm to detect useless pairs of polynomials, thereby avoiding redundant computations. 2. **Incremental approach**: The algorithm processes polynomials incrementally, which can help in managing memory and computational resources more effectively. 3. **Reduced row echelon form**: Maintaining matrices in reduced row echelon form is beneficial for numerical stability. Let me check if I can find a high-level pseudocode for the F5 algorithm. Yes, here it is: ```python def F5(F): # F is a list of polynomials G = [] # Initialize the Gröbner basis P = [] # Initialize the set of critical pairs for f in F: # Process each polynomial in F for g in G: # Generate critical pairs (f, g) P.append((f, g)) # Reduce f using G f = reduce(f, G) if f != 0: G.append(f) while P is not empty: (f, g) = select(P) # Select a critical pair P.remove((f, g)) h = S_polynomial(f, g) h = reduce(h, G) if h != 0: for g in G: # Generate new critical pairs (h, g) P.append((h, g)) G.append(h) return G def S_polynomial(f, g): # Compute the S-polynomial of f and g pass def reduce(f, G): # Reduce f using the Gröbner basis G pass def select(P): # Select a critical pair from P using some strategy pass ``` Now, let's consider the implementations of the F5 algorithm in various computer algebra systems. It seems that: 1. **Singular**: Singular includes an implementation of the F5 algorithm, which can be used via the `groebner` function with the `f5` option. ```singular LIB "groebner.lib"; ring R = 0, (x, y, z), dp; ideal I = x^2 + y^2 + z^2, x^3 + y^3 + z^3; ideal G = groebner(I, "f5"); ``` 2. **Macaulay2**: Macaulay2 also supports the F5 algorithm, accessible via the `GBasis` function with the `Algorithm` option set to `F5`. ```macaulay2 R = QQ[x, y, z]; I = ideal(x^2 + y^2 + z^2, x^3 + y^3 + z^3); G = gens gb I, Algorithm => F5; ``` 3. **SageMath**: While SageMath does not have a direct implementation of F5, it can interface with Singular to use the F5 algorithm. ```python R.<x, y, z> = PolynomialRing(QQ, order='lex') I = R.ideal([x^2 + y^2 + z^2, x^3 + y^3 + z^3]) G = I.groebner_basis(algorithm='singular:f5') ``` Next, I should think about how these algorithms can be parallelized for better performance. It appears that: 1. **Parallel Reduction**: The reduction step can be parallelized by dividing the set of polynomials among multiple processors. 2. **Parallel Pair Processing**: Critical pairs can be processed in parallel, provided that dependencies are managed correctly. 3. **Shared Memory**: Utilizing shared memory to store the Gröbner basis and critical pairs allows multiple threads to access and update them concurrently. Let me reflect on recent advancements in this area. There seem to be several developments, including: 1. **F5C**: An optimized version of F5 that uses a matrix-based approach to handle critical pairs more efficiently. 2. **F5 with Truncation**: Techniques to truncate polynomials during reduction to control coefficient growth and improve numerical stability. 3. **Hybrid Algorithms**: Combining F5 with other algorithms, like XL (eXtended Linearization), to handle specific types of polynomial systems more effectively. For further reading, I've noted the following references: 1. **Faugère, J.-C.** "A new efficient algorithm for computing Gröbner bases (F5)." Journal of Pure and Applied Algebra 217.3 (2013): 895-930. 2. **Eder, C., & Faugère, J.-C.** "F5C: A C implementation of F5." ISSAC 2017. 3. **Bardet, M., Faugère, J.-C., & Salvy, B.** "On the complexity of Gröbner basis computation." ISSAC 2004. These references should provide a comprehensive understanding of the F5 algorithm and its recent advancements, facilitating the implementation and application of more numerically stable Gröbner basis computations in research and practice.
question:"Could you help me brainstorm and outline a new project idea that combines art and science to explore the structural behavior of glacial landscapes? I'm particularly interested in how these landscapes change over time due to climate change and natural forces. I'd like the project to involve a data visualization component, perhaps using historical and predicted data to create an interactive or time-lapse element. Additionally, I want to incorporate physical materials and textures in the final installation to represent the tangible aspects of these landscapes. In your response, please suggest possible scientific partners or fields of research I could collaborate with, potential data sources, artistic media and techniques suited for this project, and any inspirational references from other artists or scientists working in similar areas. Also, consider the potential narrative or educational aspects of the project, and how it could engage and inform viewers about the scientific concepts behind the artwork. Lastly, I'd appreciate some guidance on potential venues or platforms to showcase this work, as I'd like to reach both the artistic and scientific communities, as well as the general public."
answer:To answer this question, let me start by breaking down the components and thinking through each step carefully. I need to help brainstorm and outline a new project idea that combines art and science to explore the structural behavior of glacial landscapes, particularly how these landscapes change over time due to climate change and natural forces. This project should involve a data visualization component, perhaps using historical and predicted data to create an interactive or time-lapse element, and incorporate physical materials and textures to represent the tangible aspects of these landscapes. Let me think about the scientific aspects first. To delve into the structural behavior of glacial landscapes and their changes over time, I would need to collaborate with experts in the field. This could include glaciologists, who are experts in glacial systems, their dynamics, and response to climate change. Climatologists, who study climate change and can provide predictions for glacial landscapes, would also be invaluable partners. Additionally, geomorphologists, who study landforms and their processes, including those shaped by glaciers, could offer insights into the physical changes occurring in these landscapes. Lastly, remote sensing and GIS specialists could help acquire and process spatial and temporal data, which would be crucial for the data visualization component. Wait, let me consider where we could find the necessary data for this project. For historical data, sources like the USGS Earth Explorer, NASA Earth Observations (NEO), and the National Snow & Ice Data Center (NSIDC) could be extremely useful. For predicted data, climate models from the Intergovernmental Panel on Climate Change (IPCC) and the Coupled Model Intercomparison Project (CMIP) could provide the necessary forecasts. And for real-time data, satellite imagery, weather station data, and glacier monitoring networks could keep the project updated with current changes. Now, let's think about the artistic media and techniques that could be used. For the digital component, data visualization software like Processing or D3.js could be used to create interactive and time-lapse elements. This could involve visualizing the retreat of glaciers over time, changes in ice mass, or the flow of glaciers. For the physical aspect, materials like ice, resin, glass, clay, and textiles could be used to represent glacial textures and materials, making the installation more immersive and engaging. Incorporating soundscapes, such as the sound of melting ice or flowing water, and strategic lighting could further enhance the experience, drawing the viewer into the world of glaciers. Let me check for some inspirational references. Artists like Olafur Eliasson, known for his ice and climate-focused installations, Zaria Forman, with her hyper-realistic pastel drawings of glaciers, and Spencer Finch, who creates data-driven art, could serve as great inspirations. On the scientific side, glaciologists and climate scientists like Dr. Ruth Mottram, Dr. Twila Moon, and Dr. M Jackson, who are not only experts in their fields but also focus on science communication, could provide valuable insights and examples of how to effectively communicate complex scientific concepts through art. As I continue to think through this project, the narrative and educational aspects become crucial. The project should tell the story of the life cycle of glaciers, their importance in the ecosystem, and the impact of climate change on these landscapes. By allowing viewers to explore data visualizations interactively, perhaps manipulating time and variables to observe changes, the project could educate and engage the audience effectively. Including educational panels or workshops that provide context, explain scientific concepts, and discuss the artistic process could further enhance the educational value of the project. Now, considering the potential venues and platforms for showcasing this work, art and science museums like The Exploratorium in San Francisco, Science Gallery in Dublin, and Ars Electronica Center in Linz could be ideal locations. Art galleries focusing on climate change, environmental issues, or the intersection of art and science would also be appropriate. Presenting the project at scientific conferences related to climate change, glaciology, or science communication could help reach the scientific community, while online platforms and social media could broaden the audience. Lastly, installing the artwork in public spaces could engage the general public and raise awareness about the importance of glacial landscapes and the impacts of climate change. Let me outline the project structure step by step. First, there would be a research and data collection phase, where we gather all the necessary information and data. Next, we would establish scientific partnerships and collaborations to ensure the accuracy and depth of the project. Then, we would develop the concept and sketch out the project's details, followed by the development of the digital data visualization component. After that, we would create the physical artwork, design and assemble the installation, plan the exhibition, and finally, document and evaluate the project's impact. Considering the complexity and scope of the project, a timeline of 12 to 18 months seems reasonable, with careful planning and execution required at each step. Budget considerations would include data acquisition costs, software, materials for the artwork, fees for collaborators, exhibition costs, documentation, and marketing expenses. As I finalize my thoughts on this project, I realize that combining art and science to explore the structural behavior of glacial landscapes could not only educate and engage audiences but also inspire action and reflection on our relationship with the environment. By carefully considering each component, from scientific collaboration to artistic expression and educational value, we could create a project that resonates with both the artistic and scientific communities, as well as the general public.
question:"Could you help me draft a detailed job description for a mid-level Architect with a focus on historic preservation? The ideal candidate should have experience in traditional architectural design and urban planning. I'd like the job description to highlight the unique aspects of our firm, such as our commitment to building livable communities and our robust pipeline of projects. Additionally, please include specific requirements, preferred qualifications, and key responsibilities that align with our firm's mission and values. Lastly, could you suggest some platforms or professional networks where we can effectively promote this job opening to reach the most suitable candidates?"
answer:To answer this, let me think about how to draft a detailed job description for a mid-level Architect with a focus on historic preservation. The ideal candidate should have experience in traditional architectural design and urban planning, which is a great starting point. I'd like the job description to highlight the unique aspects of our firm, such as our commitment to building livable communities and our robust pipeline of projects. First, let me break down the key components of the job description. We need to include specific requirements, preferred qualifications, and key responsibilities that align with our firm's mission and values. This means I should start by outlining the job title and a brief introduction to our firm. Let me check... Ah yes, the job title should reflect the focus on historic preservation. How about "Mid-Level Architect – Historic Preservation Specialist"? This title seems to capture the essence of the role. Now, let me think about the introduction to our firm... At [Firm Name], we are dedicated to creating livable communities by seamlessly integrating historic preservation with innovative design. With a robust pipeline of projects, our firm offers a dynamic environment for professionals passionate about architecture, urban planning, and heritage conservation. This introduction provides a good overview of our firm's mission and values. Next, I should summarize the job. We are seeking a mid-level Architect with a strong background in historic preservation and traditional architectural design. The ideal candidate will have a deep understanding of urban planning and a commitment to our mission of building livable communities. This role involves working on various projects that require a balance of preservation knowledge and creative design solutions. Now, let me think about the key responsibilities... These should include architectural design and preservation, project management, urban planning, and firm development. For architectural design and preservation, the candidate will need to develop design solutions that respect and enhance historic structures, prepare detailed drawings and specifications, and conduct historic research. Wait a minute... I should also consider the project management aspect. This will involve coordinating with clients, contractors, and consultants, managing project timelines and budgets, and ensuring compliance with regulations and preservation standards. Let me continue... For urban planning, the candidate will contribute to master planning and urban design projects, participate in community engagement, and assist in preparing planning reports. Lastly, for firm development, the candidate will contribute to the growth of our preservation practice, mentor junior staff, and participate in professional development activities. Now that I have the key responsibilities outlined, let me think about the requirements. The candidate should have a Bachelor's or Master's degree in Architecture from an accredited program and be a licensed Architect or actively pursuing licensure. They should also have a minimum of 5 years of professional experience in architecture, with at least 3 years focused on historic preservation, and proven experience in urban planning and traditional architectural design. Let me check the technical skills required... The candidate should be proficient in AutoCAD, Revit, SketchUp, and other design software, have strong knowledge of historic building materials and preservation techniques, and be familiar with relevant regulations and standards. Next, I should consider the preferred qualifications. These could include certifications like LEED accreditation or historic preservation certification, experience with adaptive reuse and rehabilitation projects, and a background in community engagement. The candidate should also have strong graphic and presentation skills, excellent written and verbal communication abilities, and the ability to work independently and collaboratively. Now, let me think about how candidates can apply for the position. Interested candidates should submit a resume, portfolio, and cover letter detailing their relevant experience and why they are a good fit for our firm. We should provide a specific email address for applications. Lastly, I need to suggest some platforms and professional networks where we can promote this job opening to reach the most suitable candidates. Let me think... We could use professional networks like the American Institute of Architects (AIA) Job Board, the National Trust for Historic Preservation Career Center, and the Urban Land Institute (ULI) Career Center. Social media platforms like LinkedIn, targeting groups related to architecture and historic preservation, could also be effective. Additionally, we could reach out to university career centers, especially those with strong architecture and historic preservation programs, and post the job opening on industry publications like Architect Magazine and Preservation Magazine. Partnering with local historic preservation organizations could also help us reach professionals in our region. By following this thought process, I believe we can create a comprehensive job description that attracts the right candidate for the mid-level Architect position with a focus on historic preservation. The detailed job description is as follows: **Job Title: Mid-Level Architect – Historic Preservation Specialist** **About Our Firm** At [Firm Name], we are dedicated to creating livable communities by seamlessly integrating historic preservation with innovative design. With a robust pipeline of projects, our firm offers a dynamic environment for professionals passionate about architecture, urban planning, and heritage conservation. **Job Summary** We are seeking a mid-level Architect with a strong background in historic preservation and traditional architectural design. The ideal candidate will have a deep understanding of urban planning and a commitment to our mission of building livable communities. This role involves working on various projects that require a balance of preservation knowledge and creative design solutions. **Key Responsibilities** 1. **Architectural Design & Preservation:** - Develop design solutions that respect and enhance historic structures. - Prepare detailed drawings, specifications, and construction documents. - Conduct historic research and prepare preservation reports. 2. **Project Management:** - Coordinate with clients, contractors, and consultants. - Manage project timelines, budgets, and resources. - Ensure projects comply with relevant regulations and preservation standards. 3. **Urban Planning:** - Contribute to master planning and urban design projects. - Participate in community engagement and stakeholder meetings. - Assist in the preparation of planning reports and presentations. 4. **Firm Development:** - Contribute to the growth and development of the firm’s preservation practice. - Mentor junior staff and participate in professional development activities. **Requirements** 1. **Education & Licensure:** - Bachelor’s or Master’s degree in Architecture from an accredited program. - Licensed Architect or actively pursuing licensure. 2. **Experience:** - Minimum of 5 years of professional experience in architecture, with at least 3 years focused on historic preservation. - Proven experience in urban planning and traditional architectural design. 3. **Technical Skills:** - Proficiency in AutoCAD, Revit, SketchUp, and other design software. - Strong knowledge of historic building materials, methods, and preservation techniques. - Familiarity with relevant regulations, standards, and guidelines (e.g., Secretary of the Interior’s Standards). **Preferred Qualifications** 1. **Certifications:** - LEED accreditation or other relevant sustainability certifications. - Certification in historic preservation or related field. 2. **Experience:** - Experience with adaptive reuse and rehabilitation projects. - Background in community engagement and public outreach. 3. **Skills:** - Strong graphic and presentation skills. - Excellent written and verbal communication abilities. - Ability to work independently and collaboratively in a team environment. **How to Apply** Interested candidates should submit a resume, portfolio, and cover letter detailing their relevant experience and why they are a good fit for our firm. Please send applications to [email address] with the subject line “Mid-Level Architect – Historic Preservation Specialist.” **Where to Promote the Job Opening** 1. **Professional Networks:** - American Institute of Architects (AIA) Job Board - National Trust for Historic Preservation Career Center - Association for Preservation Technology International (APT) Job Board - Urban Land Institute (ULI) Career Center 2. **Social Media Platforms:** - LinkedIn (targeting groups related to architecture, historic preservation, and urban planning) - Facebook groups focused on architecture and historic preservation 3. **University Career Centers:** - Contact career services at universities with strong architecture and historic preservation programs. 4. **Industry Publications:** - Architect Magazine - Preservation Magazine - Urban Land Magazine 5. **Local Historic Preservation Organizations:** - Partner with local organizations to reach professionals in your region. By leveraging these platforms and networks, we can effectively reach candidates who align with our firm's mission and values, ultimately finding the ideal mid-level Architect with a focus on historic preservation.
question:"Could you help me draft a comprehensive proposal for our upcoming U.S. Hemp Roundtable board meeting, outlining a new initiative to increase minority participation in the hemp industry? The proposal should include: 1. A brief overview of the historical injustices faced by Black farmers and other people of color in agriculture, with a focus on the hemp industry. 2. Specific barriers that currently exist for minorities in the hemp industry. 3. Detailed recommendations for programs or policies that could address these barriers and promote diversity, equity, and inclusion. Some areas to consider might be education, funding, mentorship, and market access. 4. Suggestions for how we can track and measure the success of these initiatives over time. 5. Potential partners or collaborators that could help us implement these programs, such as relevant non-profits, government agencies, or educational institutions. Please ensure the proposal is well-researched, persuasive, and aligned with our organization's mission and values. Thank you!"
answer:To answer this, I need to draft a comprehensive proposal for the U.S. Hemp Roundtable board meeting, outlining a new initiative to increase minority participation in the hemp industry. Let me think about this carefully. This means I need to address the historical injustices faced by Black farmers and other people of color in agriculture, with a focus on the hemp industry. Wait, let me break this down first - what does it really mean for minorities to face injustices in the hemp industry? It means that they have been systematically excluded from opportunities, faced discrimination, and have had limited access to resources and support. Let me check the historical context... Historically, Black farmers and other minorities have faced systemic discrimination in agriculture, including land dispossession, USDA discrimination, and the war on drugs. For instance, since the early 20th century, Black farmers have lost over 12 million acres of land, often due to discriminatory practices and policies. The USDA's decades of discrimination have led to a significant decline in the number of Black farmers. Furthermore, the war on drugs disproportionately targeted communities of color, creating barriers to entering the hemp industry due to prior drug convictions. Let me think about how these historical injustices have impacted the current state of the hemp industry... Now, I need to identify the specific barriers that currently exist for minorities in the hemp industry. Let me see... 1. **Access to Capital**: Minorities often face challenges securing loans and investments due to systemic economic disparities. This is a significant barrier, as access to capital is crucial for starting and growing a business in the hemp industry. 2. **Education and Training**: Limited access to agricultural education, business training, and industry-specific knowledge creates a barrier to entry. I need to think about how we can provide education and training programs tailored to minorities... 3. **Network and Mentorship**: A lack of networking opportunities and mentorship from established industry professionals can hinder growth and success. This is a critical aspect, as mentorship and networking can provide valuable guidance and support for minority-owned businesses. 4. **Market Access**: Difficulties in navigating the market and securing contracts with processors, manufacturers, and retailers can limit business viability. Let me think about how we can facilitate market access for minority-owned businesses... 5. **Regulatory Burdens**: Compliance with regulations can be challenging and costly, disproportionately impacting small and minority-owned businesses. I need to consider how we can provide support and resources to help minority-owned businesses navigate regulatory requirements... Now that I have identified the barriers, I need to develop detailed recommendations for programs or policies that could address these barriers and promote diversity, equity, and inclusion. Let me think about this... 1. **Education and Training**: Develop a hemp industry education program tailored to minorities, covering cultivation, processing, marketing, and business management. We could partner with Historically Black Colleges and Universities (HBCUs) and other minority-serving institutions to deliver the curriculum. This would provide a comprehensive education program that addresses the specific needs of minority-owned businesses. 2. **Funding and Financial Assistance**: Establish a dedicated fund to provide low-interest loans, grants, and technical assistance to minority-owned hemp businesses. We could also advocate for policy changes that prioritize minorities in USDA funding programs. This would help address the systemic economic disparities that limit access to capital for minority-owned businesses. 3. **Mentorship and Networking**: Create a mentorship program that pairs minority business owners with established industry professionals. We could host networking events and workshops to foster connections and collaboration within the industry. This would provide valuable guidance and support for minority-owned businesses, helping them navigate the industry and access new opportunities. 4. **Market Access**: Develop a market access program that connects minority-owned hemp businesses with processors, manufacturers, and retailers. We could promote diversity in supply chains by encouraging industry partners to source from minority-owned businesses. This would help facilitate market access and provide new business opportunities for minority-owned businesses. 5. **Regulatory Support**: Provide support and resources to help minority-owned businesses navigate regulatory requirements and comply with industry standards. This could include technical assistance, training programs, and advocacy for policy changes that support minority-owned businesses. Let me think about how we can track and measure the success of these initiatives over time... 1. **Participation Rates**: Track the number of minority-owned businesses participating in the hemp industry and in our programs. This will help us understand the impact of our initiatives and identify areas for improvement. 2. **Business Success**: Monitor the success of participating businesses, including revenue growth, job creation, and market penetration. This will help us evaluate the effectiveness of our programs and make data-driven decisions. 3. **Program Satisfaction**: Conduct regular surveys to assess participant satisfaction and gather feedback for program improvement. This will help us refine our programs and ensure they are meeting the needs of minority-owned businesses. 4. **Industry Diversity**: Measure the overall diversity of the hemp industry, using benchmarks to track progress over time. This will help us understand the broader impact of our initiatives and identify areas for continued improvement. Now, I need to consider potential partners or collaborators that could help us implement these programs... 1. **Non-profits**: Minorities for Medical Marijuana, National Black Farmers Association, and Hemp Industries Association. These organizations have a deep understanding of the challenges faced by minority-owned businesses in the hemp industry and could provide valuable guidance and support. 2. **Government Agencies**: USDA, Small Business Administration, and state departments of agriculture. These agencies have resources and expertise that could help us develop and implement our programs, and could provide critical support for minority-owned businesses. 3. **Educational Institutions**: HBCUs, land-grant universities, and community colleges. These institutions could provide education and training programs, as well as research and development support, to help minority-owned businesses succeed in the hemp industry. 4. **Industry Partners**: Hemp processors, manufacturers, and retailers committed to promoting diversity and inclusion. These partners could provide market access, technical assistance, and other forms of support to help minority-owned businesses grow and succeed. By implementing these recommendations, the U.S. Hemp Roundtable can play a pivotal role in promoting diversity, equity, and inclusion in the hemp industry. Let me think about how we can ensure the proposal is well-researched, persuasive, and aligned with our organization's mission and values... I believe that our organization's mission and values are centered around promoting a sustainable and inclusive hemp industry. This proposal aligns with those values by addressing the historical injustices and current barriers faced by minorities in the hemp industry. By providing education and training programs, funding and financial assistance, mentorship and networking opportunities, market access, and regulatory support, we can help create a more just and sustainable future for all industry stakeholders. Let me check the proposal again to ensure it is comprehensive and effective... Upon reviewing the proposal, I am confident that it provides a thorough and well-researched approach to increasing minority participation in the hemp industry. The proposal addresses the historical injustices and current barriers faced by minorities, and provides detailed recommendations for programs and policies that can help promote diversity, equity, and inclusion. I believe that this proposal has the potential to make a significant impact in the hemp industry and create a more sustainable and inclusive future for all stakeholders. Now, I am ready to submit the proposal for consideration at the upcoming U.S. Hemp Roundtable board meeting. I am excited about the potential of this initiative to create positive change in the hemp industry and look forward to the opportunity to discuss and refine the proposal with the board.